Last time on Kamen rider Decade!

Decade and his friends has arrived to first Rider's in Heisei known as Kamen rider Kuuga.

(Y/N) teams up with Ryuji Godai the user of Kamen rider Kuuga to protects a woman from getting killed Grongi.

But Dark Decade has arrived sending his minions to fight Decade and Kuuga.

Find out what happened next

While Decade and Kuuga is fighting Gaoh and Dark Drive, engaging in sword fighting when Dark Decade left them to force to fight Dark Riders.

Decade: Tell me, what is Dark Decade is planning?!

Gaoh: Don't know don't care!

He focusing on destroying Decade while sword fighting, while Kuuga is fighting on Dark Drive in Titan form while fighting in sword combat while Ana and Rachel watching the two riders in worried.

Decade and Gaoh engages in sword fight locking their blades, staring at each other.

Rena appears, seeing Decade with Kuuga, on the trees, surprised she watch it the whole time that Decade helping Kuuga.

Rena: D-Decade? Helping Kuuga?

And spotted two dark riders.

Ren: Who are those guys?

(Play Journey through the Decade by Gackt)

(Kamen rider Decade, he has been given the power of a destroyer. And what will he do to see if he travelled through all the world to save them?) As the song started focus on Decade, who just already transformation, standing here in a white room filled the cubes and face the camera.

(Miageru hoshi sorezore no rekishi ga kagayaite) Rachel covered (Y/N)'s eyes until she let's go. His eyes zoomed in and is soon replaced by the camera, his camera, and later his Neo Decadriver which includes the 19 including himself. His Machine Decader is shown in parked of front a pile of smoking rubble where (Y/N) sitting alone before, in the white. (Y/N) grabs one of the cubes and looked at the camera.

(Seiza no you sen de musubu shunken hajimaru legend) The scenes changes to shown the worn down warehouse with all the riders sitting out of one of time. Rachel grabbed the bottle and (Y/N) looked back. Ryuji slumps back his TryChaser200 with Boku no Hero Academia's characters and Toaru Majutsu no Index are here standing or sitting down. As the silhouttes of the riders appeared one by one. Rachel throws the same bottle down on the floor.

(Oorora {aurora} yurameku jinkuu koete. Tobimoku meisou suru Parallel world) On the side of the dark riders charge while the other of the Riders of Good did the same. The same bottle shatters as (Y/N) look as through he was about to collapse but not before his face changing into each of the Rider's helmets. Backed to the warehouse all 19 riders line up doing their signature poses and with Decade in the centre and behind him was Rachel.

(On the road dare no tobi no tonchu. Hontou no jibun jishin deau tame.) All of the 19 riders were in circle and fending off the dark riders as they surrounded by them. (Y/N) is shown on his bike getting his helmet on and Rachel was riding passenger. Rachel hold on tightly around his waist before we see Decade showing off his fighting skills especially with the Attack Ride: Slash card. And soon back to the Rider, everyone doing their best trying to watch each other's back while against Dark Riders.

(Atarashii yoake e to tsuzuku michi ni kawaru no darou) (Y/N) sits alone exhausted tearing coming out of his eyes down to his face. Until Rachel was in front of him with his camera and offering the other to help him up. We soon Ryuji ride along with (Y/N) and Rachel on their respective bikes. Back on the battle Blade was having trouble with Glaive until Decade shows up and pushed Glaive away. Ryuga was about to use his Strike Vent on Decade until Ryuki uses his first to save Decade.

(Mokugekise yo Journey through the Decade.) The riders are helping each other trying to take down their respective foe. Soon Rachel smile in Decade's mind. But Decade focuses on the battle and helping his comrade's. Decade was soon driving on his bike driving out of the Dimensional Wall with pictures of the other 18 riders in it circled the logo.

(Opening ended)

Gaoh: So got any words?

Decade: Yes, three words. Ride the Wind!

Made Gaoh bits confused.

Gaoh: Wha....?

Decade: Hit it Doct!

Doctmar: You got it!

https://youtu.be/usR36pAwAaw

Decade throws Gaoh's blade from Decade, taking out of new card.

Attack Ride: Slash!

He countered slashes on Goah's chest causing him to be stumbled backed for a bit, before glances at Decade with slight of anger.

Gaoh: You damn.....!

Decade rushing at Goah, at Kuuga's side he fighting Dark Decade tried to stab/slashes at Kuuga but he kept dodging.

Kuuga: Chou Henshin!

He transformed into Dragon Form, spinning his  staff, he blocked the sword with his staff and parried attacks on Dark Decade's chest, causing him to be falling on the ground.

He shooting from his sword, blasting to Kuuga, but he rushing away to dodging, before leapt in the air kicking Dark Drive away to next with Gaoh, Kuuga returns next to Decade standing there, before turns his sword into gun mode.

Decade: It's over now!

Attack Ride: Blast!

He aims his gun silhouettes to blast rapidly at dark riders suddenly the Dimensional Wall appears to protect the two Dark Riders.

Causing Decade and Kuuga to be surprised.

Gaoh: Wall, it was fun from that. Later Decade.

Dark Drive: New Mission Granted.

Both Dark Riders entered through the dimensional wall, and then the wall vanished.

Two good riders, revert backed in their citizens form, staring at the Dark Riders vanished in the dimensional wall.

(Y/N): What was that about?

At Narutaki, not glancing at (Y/N).

Narutaki: You may won this battle, but this isn't over yet. I will destroyed both Decade. But this only just a beginning.

He walking leaving downstairs to leaving a shine.

At (Y/N) and Ryuji are going back but then, Rachel looked mad at two boys in anger for their recklessly in action, fighting the dark riders, she pinched the ears of (Y/N) and Ryuji screeching in pain.

Rachel: You guys, did something recklessly again! What if you guys get hurt?!

(Y/N) let go of Rachel off their ears, when Ryuji holding where is ear here when she pinched them.

(Y/N): Well, those guys aren't on friendly terms and they working with Dark Decade but luckily no onw gets hurt, right Ryuji?

Ryuji: Yeah.

He nodded his head in agreement.

Made Rachel sighed in annoyed looking at her foster brother and friend.

Rachel: Yeah, you guys are luckily to survive that, but we don't know what is Dark Decade, is planning about.

(Y/N): You could be right, Rachel but....

Ana: You guys need some rest.

Need the teenagers turn to Ana with neutral looks, going to her car.

Ana: I'll go back to the Police Headquarter and you guys get some rest.

Ryuji: But, Ane san....

Ana: No but, but get some Ryuji san.

He stared at her for a minute and nodded at her order.

Ryuji: Right.

SHe turns to (Y/N).

Ana: (Y/N)! Everything you said about the Sacred  Gegeru, is true?

(Y/N): Yeah!

He points at the mountain.

(Y/N): Seems something about it called the Ultimate Darkness is dormant in the mountain.

Ana: So the awakening has been prevented? Than the police can properly killed it right now.

She goes back in car, started to driving the car to leaving the gang return to the police station.

In Studio, (Y/N) with Rachel, Izuku and invited to Ryuji to join in eat, Ryuji ate food of Pot Au Feu, he open widely in deliciously. 

Ryuji: Delicious!

Made George chuckles and small while busy on the photo putting on the album book.

George: It's good, right. I had been preparing Pot Au Feu since from last night.

Ryuji: Yeah!

He smiles putting the carrots on (Y/N) and Izuku's plates, that made (Y/N) pissed off for a bit. And Ryuji just spotted the good picture of Ana.

Ryuji: That's Ana san! She so pretty!

He smiles adore at her.

(Y/N): Yeah, stop being picking on foods!

He putting the carrots on the plates.

(Y/N): And you kinda impressed me a little for your story.

Ryuji: Really?

(Y/N): Yeah, you fighting for compliments from woman you have a crush on, is kind impressed me.

Made Ryuji surprised and blush for a bit on his cheek didn't noticed on (Y/N) swapped the his and Ryuji's plates, taking his spoon out.

Rachel: You guys!

They all turned to Rachel with annoyed looked holding a ladle filled with pot au feu.

Rachel: Stopped being so picky!

She poured the foods on three boys made Izuku surprised and frowned because he already finished even those guys.

Inner boys: No fair.

Izuku: By the way, Ryuji?

Ryuji: Hmm?

Izuku: how old are you?

Ryuji: Well.... I'm 15 years old.

Made them open wide in surprised on their eyes and Izuku dropped his spoon landed on the plate.

Ryuji: What?

Everyone: YOU'RE 15!!!

They outburst in surprised.

Ryuji: Umm.... yeah?

(Y/N): Dude we thought your were 17?!

Made Ryuji chuckles for a bit.

Ryuji: Sorry something my appearances look likes 17 but my actually age is 15 years old.

Made them sighed in deadpanned expression about his age.

(Y/N): Just forget it.

Before they could eating, Ryuji asked them a question.

Ryuji: By the ways, guy?

They all turned to his attention.

Ryuji: How you know about Kuuga in your world?

(Y/N): Well, Kuuga is the first Heisei Rider in our.....

Ryuji: He the first Heisei rider in period?!

He sounded in surprised about his counterpart.

(Y/N): Yeah.

He eating his food, before Izuku takes over explaining.

Izuku: Kamen rider Kuuga is the heroes he fight for the humanity against the Grongi wanted to fought and protected the smiles of people. Just like you Ryuji.

Ryuji: Sugoi!

He smiles about his counterpart what he's did.

(Y/N): Ryuji, you need to access the secrets powers of your belt, Arcle.

Made Ryuji confuse for a bit and curious about the secrets behind of his powers when first Kuuga used it on his Arcle.

Ryuji: What you mean?

(Y/N): Midoriya. Do you remember since when we're goes to Kamen Rider Expos Museum since when we were little? 

He thinks for a minute he smiles in bright, taking out the book information about Kamen Rider he kept all those years.

Izuku: Here!

He opens the book, flipping the pages of Kamen Rider showing about Kamen Rider Kuuga's powers and forms, Rising, Amazing Rising and Ultimate.

Made Rachel wide opened her eyes recognizes the form of Kuuga, the ultimate form.

Ryuji: Amazing, what is this?

Izuku: Those are the forms when your counterpart uses to fight and to protects them to uses his powers.

Ryuji: Amazing, but I think I do this.

(Y/N) noticed Rachel had been standing her for a while.

(Y/N): Rachel, you alright?

She blinks and shook her head to response her attention to (Y/N).

(Y/N): You okay?

Rachel: Yeah, I'm fi....

Tv News porter: Breaking New! The black smoke has started coming from the Mt Hitoki Area.

They all glances at the TV on a new, they watching on.

George: oh dear!

Tv News porter: It does not looked like started on bush fire...

(Y/N): Something not right, Grandpa changes a channel!

He ordered him, he did as he said, changing a different channel.

Tv Newsreader: It seems the source of the black smoke has been found. The report says it's coming from where the Anti-Unidentified Lifeforms Police team an hour ago.

They realizes whose in the mountain, revealing is Ana rest with the police forces.

Ryuji: That where....

(Y/N): Yeah, Ana san is....

He looking at the Kuuga card is not completely unsealed up, meaning their mission is not over yet.

(Y/N): Ryuji, let's go!

Ryuji: Yeah!

They both rushes, going to their rider-machine, rushing in high speed on the street going where the mountain is.

Izuku and Rachel are outside surprised seeing this the Dimensional Wall is next to the mountain covered with black smokes.

Rachel: it's liked what happened to our world. The destruction.....

Izuku: What is going on?

At cave, is covered with smoke while the police forces are running escaping form the smokes, while they coughing cover their mouth to prevent from coughing.

The chief laying down on the tree, while Ana glancing at her boss.

Police chief: Ana, run!

At Gamino, he feeling much mores powers, he howling as he got more enough powers, while Dark Decade in his citizen's form, staring at him, smirked under his hood.

At the dead polices officers, suddenly their humans forms are changing their appearances into monsters' forms Grongi, and Ana shocked seeing her fellow dead officers and chiefs are turning into monsters.

Ana: Human are Cough turning into Grongi!

One grongi standing in front of Ana suddenly he got punched by (Y/N) covering his mouth with scarf and Ryuji appears covering his mouth with hoodie.

Ana: Ryuji! Cough (Y/N)!

(Y/N): Ryuji take her to hospital, I'll takes this.

Taking out his Neo Decadriver places on it his wrist.

Ryuji: But....

(Y/N): No times! Hurried!

Ryuji thinks for a minutes and trusted his friend's word and nodded.

Ryuji: Got it!

He taking Ana while (Y/N) rushing through the Grongi.

(Y/N): Henshin!

Kamen Ride: Decade!

At Ryuji carrying Ana away from the cave, where Grongi are.

Ryuji: This way, Ane san!

Ana: Will, (Y/N) be okay?

Ryuji: Maybe, but I hoped he okay.

At cave, there are massive army of Grongi swarming around in the cave are getting out, zooming in to Gamino standing.

Decade appears jump in the air, punching Gamino in the cheek, turning his head away from Decade.

Gamino: So you must be the pathetic counterpart of Dark Decade.

Decade: Why but why you were able to gain much powers to be awakening!

Causing Gamino mocking laughing before eye contract to Decade.

Gamino: Thanks to that, I can use that to cover the world into darkness.

Decade: Yeah, I don't think so!

Decade punches his left hooks, tried to punched it on the chest but no effects, immune to the punches by Decade.

Decade punches but Gamino dodge it by moving it, Decade glances seeing Gamino pulling his fist throwing the powerful punch on Decade was overpowered by Gamino's power, sparks come out of his armor, send him flying hit by the rock behind and fell down on the ground.

Gamino: It's too late! The Rinto will become the grongi....

Decade gets up staring at his opponent.

Gamino: The Ultimate Darkness will cover all the Worlds!

He vanishes creating a massive big smokes, floating in the air coming to covering the city.

News reader: A new information has come in! The black smoke coming from Mt Hitoki has been identified as a special toxic gas. A large amount of Unidentified Lifeforms has appeared from this black gas.

In hospital, Ana laying down on the portable bed rushing in emergency. 

Ryuji: Ane san!

Nurse: Sorry, please wait outside.

Ryuji: But...

Nurse: Please! We'll treat her! So, please!

Ryuji: Ane san!

Ryuji standing there in worried look about to Ana.

Tv reporter female: There are many casualties caused by the Unidentified Lifeforms. To repeat, there are many casualties.

Izuku with Rachel seeing Ryuji, he turns to looked at his friends, they watching on TV with a patients seeing a a News Reporter reporting about the smoking are coming from the mountain.

Rachel: In there, humans turns into Grongi?

Ryuji nodded his head.

Ryuji: Yeah, i show it in my own eyes.

Soon, Rachel and Izuku spotted on (Y/N) walking going to inside in the hospital, while Rachel checks it her brother is all right.

Rachel: (Y/N) you okay?

(Y/N): Yeah.

He rushes to see Ryuji.

(Y/N): Is Ana okay?

Ryuji: No, she's seriously hurt... Plus... she inhaled a lot of the gas! At this any rate, she'll turn into a Grongi!

(Y/N): Grongi are a race that only think of about fighting, right? If all humanity changed into that..... It'd be the end of the world.

Ryuji grabs on (Y/N)'s coat to confront him.

Ryuji: I thought the Gegeru failed! What is going on?!

(Y/N) removes Ryuji's hand out of (Y/N)'s coat.

Izuku: He was never able to gain the more powers unless....

(Y/N): Yeah. It was Dark Decade.

Made them surprised and off guard.

Ryuji: Dark Decade.

He mutters and gritted his teeth thinking about the leader of the Dark Rider, responsible for this mess. 

At the city, the city view is covered by the darkness, black gassed, the cars tried to to evacuation the city but they stopped the cars, getting out of the cars tried to escape from the grongi.

Gamino howling to commands his grongi, to start killing a citizens to creating a birth of Grongi, while the citizens escaped from them.

Back in the hospital, there are filled of lots of people, doctor are treating a patients from the injuries gets hurt by it.

The gangs are watching a lots of people filling too much of the patients, too busy taking care of the patient and seeing a nurse are arguing with the ambulance worker taking the patient old man in the hospital. 

One of the female doctor rushes to the gang informing about Rachel's condition made Ryuji shocked about it.

They turned looking at a TV, of Grongi rampaging and attacking a citizens.

TV new reporter: They're rampaging! What?! What?! What is this?!

One grongi turned to the camera, started to attacking a camera, failing on the ground.

Doctor female: Hospital room 3!

One of the doctor rushes, while Ryuji stared awe of mother and her daughter talking with the doctor, made Ryuji depressed doesn't want to fight it.

Ryuji: I...can't fight it.

(Y/N): Take care Ryuji and I'll go stopped him.

(Y/N) leaving his friends until his sister and friend stopped him from going while RYuji standing there.

Rachel: Are you sure?

Izuku: But, you won't stand against him and you'll turned into Grongi.

They little worry of their friend.

(Y/N): It's okay guy, I'll be safe, after all....

He turns to Ryuji standing there.

(Y/N): I have to least try.

Rachel stared at him and nodded her head, to narrow her eyes a little.

Rachel: Well, I know you won't listen to me, and won't ignore this. But I wish you luck in regardless.

Made Izuku bit surprised seeing her friend letting his Kamen rider friend to fight an Grongi and made (Y/N) little surprised for this.

(Y/N): Thanks Rachel. Also don't worry, I'll beat him and come back in  one piece.

Rachel: You'll better do. Because I'll get mad if you get yourself killed.

(Y/N): Well, all the time to more reason to win.

(Y/N) rushes out the hospital and Rachel watches him to leave.

Rachel: Be, careful, (Y/N).

While (Y/N) was riding his motorcycle finding, Gamino to stopped him and his Grongi, to creating a new birth of the Grongi, if they're going to killed and wiped out of the humanity. It's a end of the humans races.

Suddenly there is a powerful winds, made (Y/N) stopped his bike gritted his teeth, covering his face with his arms.

Suddenly something strike down on the ground causing (Y/N) off his bike, landed on the roughly rolling on the ground, he looks up seeing this, revealing the object revealing a weapon filled with powerful element.

(Y/N): A-A spear?

???: That's right.

Suddenly someone landed on the ground while floating down using her powers of Air, landed on her feet, revealing, Rena. Wearing a battle suit with purple with neons highlight glowing.

Rena: It's Storm Spear, saying the powers, it can manipulate an Air elements by the powers of the goddess..... Decade.

Made (Y/N) shocked at the statement, that she's knew him as Decade, he gets up on his feet.

(Y/N): Who are you?

Made Rena scoffs at his question.

Rena: Well, I'm impressed that you beat the speed dragon boy's ass.

(Y/N): Speed dragon boy....

He mutters and realizes that guy is.

(Y/N): You! His friend?!

He pointing his index point at Rena to question mentioning about Drake.

She stared to (Y/N) for a minute Rena broke a silence making a 'pft' sound and holding to her laughing but she couldn't handle this.

Rena: Pft hahahahahahahahaahaha!

Made (Y/N) confuse for a bit. Until Ren stopped laughing, staring at (Y/N).

Rena: If you talking about Drake, but frankly no. I'm not friend of him and I still hate him a lot.

She narrows her eyes staring at (Y/N), he narrow his eyes with eye eyes contract staring at each other.

(Y/N): What you want from me?

Rena: I'm here to stopped you from destroying the worlds.

Pointing her weapon at (Y/N).

(Y/N): What?

Rena rushes in highspeed attempting to stabbed on (Y/N) but suddenly (Y/N) blocked it on his....... Decade's forearm gauntlet, made Rena widened open in shocked seeing this.

Rena: Nani?!

Flashback

When Rena rushes toward to (Y/N) but he secretly putting his driver on, inserting his card in his driver.

(Y/N): Henshin!

Flashback ended

(Y/N) turns to face her, narrows his eyes, he transformed to Kamen rider Decade.

He pushes away from her, they combat stances.

Decade: Don't do this!

Rena: Hmph! Sorry I had to eliminated you! Devil!

They rushing toward each other before they collide in the middle.

At Hospital, Ryuji holding of Ana while she was in the bed wearing a oxygen mask on her mouth, she glances at Ryuji.

Ana: Ryuji....

Ryuji: Ane san.

Ana: What... are you doing here?

Ryuji: It made me happy when you complimented me.

He kneels down holding her hand.

Ryuji: I just... fought because I wanted to see your smile. Without you I can't fight!

While Rachel and Izuku staring awe of Ryuji saddened to see his love one. 

Ana: I... will soon died.

She avoid eye contracts.

She removes the oxygen mask out of her mouth.

Ana: When that happens.... This body will changed into Grongi. When that's happened, you will killed me.

Made Ryuji opened widened in shocked and even Izuku and Rachel to shocked too, Ryuji shook his head refuses to killed her because he loved her. 

Ryuji: I can't do it!

She turns away to smiles.

Ana: If fighting for my smile made you that strong, if you fight for the smiles of everyone in this world you'll become stronger than this.

She turns to Ryuji smiles at him when he was in depressed.

Ana: Show me Ryuji.

Ryuji: Is this an order? Detective Ana?

Ana: Yes, that's an order.

She smiles at him, while Ryuji nodded his head with determination to follow her order, he's lets go of her hand, to leaving her side.

Izuku and Rachel glances at Ryuji leaving and turns to Ana.

Rachel: Ana san!

While Ana smiling with sadness.

Ana: I was always worried about Ryuji. He was like a little brother. I used his heart....

Two teenager staring at her in sadness.

Ana: This is my punishment, it isn't?

Rachel: No, it's not!

Izuku: She's right, don't give up.

Ana sleeping in peacefully.

At Decade battling a mysterious girl, named Rena wielding her spear, Decade was supposed to stopped Grongi but she got in his way.

They engaging weapons battling Decade wielding his Ride Booker in sword mode and Rena holding her spear, Decade takes out Slash Attack and Rena just noticed that.

Attack Ride: Slash!

His blade covered in magenta energy he swing his sword tried to her but suddenly she just vanished made him goes shocked.

Decade: Nani?!

Rena reappears behind using the forms of air/mist, attempting to stabbed on Decade but he blocked her attack using his sword in reversal grips, while they struggling and clashing their weapons.

Decade: Listen I don't want to fight you! Plus I don't wanna punch woman plus you beautiful.

Made Rena blushed for a little.

Rena: Awww, you kinda sweet guy, plus....

Suddenly she turned her body into mist for making go pass through to Decade, made Decade turns to looked at her turning back into her human form narrowing her eyes going to killed Decade.

Rena: I won't fall for that.

She releases the powerful winds cut from her spear aiming to target on Decade, but he dodge it he turns to facing his opponent.

Suddenly they heard a sound of crying, they all turn seeing a little boy standing there but he was going to be get killed by Rena's Wind energy slash!

Rena: Oh no!

Decade: i don't think so!

Decade takes out his Faiz card insert in his driver.

Kamen Ride:

He shut his driver, Faiz's symbol appears.

Faiz!

He takes out a new revealing Faiz's form.

Form Ride: Faiz Axel!

D-Faiz: 10 second will be enough.

He pressing the stopwatches on his arm.

Start Up

He preparing to start up on running, he vanishing in the Speed's dimension, seeing D-Faiz axel rushing in high speed, seeing Rena moving in slow likes almost statue and the energy blades slash nearly to the boy.

Until D-Faiz Axel has rushes in high speed rushing to save the little boy, he grabbed the little get down.

3 2 1 Time Out

He reverted back in his main form, looking at the little boy in relief.

Decade: You okay?

Little boy: yeah!

He smiles in brightly making Decade rubbing boy's hair.

Mom: Yuto!

They all turned to the boy's mother in worried expression.

Decade: Go. Go to your mother.

He smiles and nodded his head rushes to his mother, hugging him before they getting away while Rena standing here in shocked.

Seeing Decade saved the little boy is not truly an evil but he's really a good person.

Rena: Y-You're not him?

Decade gets up on the ground.

Decade: What?

Rena: You're not a Destroyer of the Worlds?

Decade: No, I'm going to save the worlds from the Dark Riders.

He gets on his bike before he starts his bike, and glances at Rena.

Decade: Excuse me?

Because her to be cutely yelped.

Decade: Your name is?

Rena: Oh! My name is Rena!

Decade: Rena, huh? That's a cute named.

Causing her to be blushing on her cheeks, felt her heart to be beat skipping in racing.

Rena: T-Thank you.

Decade: Yeah, my real names is (Y/N) (L/N).

Rena: (Y/N)....

Decade smiles under his helmet.

Decade: Remember that and see you.

He starting his bike, leaving Rena alone staring at him go.

Rena: (Y/N) huh?

She smalls smiles at him with blushing on her cheeks.

Rena: That's a nice name.

At Decade soon arrived on his bike and looked around only to be ambushed by few Grongi sending off his bike, Decade soon recovered and than engage combat to Grongi.

Gamino appeared in the sky.

Gamino: I'm glad you come! Where Kuuga?!

Decade: That's none of your business! 

He withdraw his sword started to attacking them.

Gamino: But why fight for the humans?! This isn't your world and they are to same as us, only weaker!

Decade: True, this isn't my world and the people here shouldn't be my responsibility but I.... wanted to capture them on my photos! And this is not how I want it to come out. Sure humans can be savage but at least they can stop for a few seconds.

While he fighting with his sword.

Decade soon continued fighting while slashing on Grongi to fight bitter to end as more Grongi are coming. But a moment, Grongi threw Decade into a wall. Decade fell down revert back into (Y/N).

(Y/N) gets back seeing more Grongi surrounded on him, he tried to escape but they trapped him started to beat him up while (Y/N) screaming.

Inner (Y/N): I-Is this my end?

Until they heard an engine sound and they turn and see Kuuga on his Trychaser 2000 drive in and ram way from (Y/N).

(Y/N) got up stared at Kuuga.

(Y/N): You came.

Kuuga: Yeah, and I'll fight.

He get off his bike, soon engage combat to Grongi with charging in.

(Y/N): For her?

Kuuga: Hai! She and everyone won't smile if I don't help you!

Soon Gamino conquered lighting fired at them. The Grongi got hit by the exploding, and Kuuga got hit reverted back into Ryuji and (Y/N) rolling on the around.

Gamino: Don't you see!? Humans seeks for the battle, they craved it! Their fate of becoming Grongi!

(Y/N): You're wrong!

He got up.

Gamino: Oh? How so?

(Y/N): This man is fight.... so others don't have to!

Gamino: What?!

(Y/N): If he protects a smiles, then I'll protect his smiles!

He pointed to Ryuji before he looked at him.

(Y/N): Besides, he has a good smile.

Gamino: Kisama! Who the hell are you?!

(Y/N) smirking, taking out his driver, places it on his waist, the driver on. He got his card out.

(Y/N): Just passing through Kamen Rider, remember that! henshin!

He insert a card in his driver.

Kamen Ride: Decade!

He transformed to Decade, he turns to Ryuji.

Decade: Let's go, Ryuji.

Ryuji smiles at him and nodded.

Ryuji: Yeah.

He summoning Arcle on his waist.

Ryuji: Henshin!

He transformed into Kamen Rider Kuuga.

The grongi had soon appeared, and the two riders charged, engaging a combat against them.

As they were fighting, Decade takes out his Blast Attack Card and inserts it in his driver before closing it.

Attack Ride: Blast!

Decade soon fired to take down a few grongi. He sees one grab onto Kuuga but Decade pulled away from him.

Decade: Get away from him!

He kicked a grongi.

Kuuga: Thanks!

Decade: You're welcome, no problem.

Before Decade was about to keep on fighting, three cards were ejects out of the Ride Booker, he caught them, seeing Kuuga's card were unsealed. He took one inserts in his driver before close them.

Final Form ride: K-K-Kuuga!

Decade: This might be a tickle.

Kuuga: Huh?

Decade: Sorry about this.

Decade quickly facing Kuuga's back and reach to his back making Kuuga grunt and gasped.

He transformed into Kuuga Gouram.

Kuuga Gouram: This is...?

Decade: Yeah. This is our combined power!

The Kuuga Gouram flew toaward to Grongi, destroying them. Gamino fired again only Decade jumped back and landed on Kuuga Gouram's back. They flew more throught grongi before towards to Gamino.

The Kuuga Gouram propelled Decade in the air, he slashed at him, before Kuuga Gouram rammed Gamino into the building. Decade landed while Kuuga Gorum flew up and transformed into Kuuga.

He ran down the wall and gave Gamino the flying sidekick. Decade jumped up and slashed at the falling Gamino.

Gamino crashed on the ground, Kuuga and Decade faced him. Gamino got up howling to absord the grongi in the city.

Gamino was glowing in his power and soon to fired at two riders. Kuuga and Decade was being pushed back as a bit Gamino sliced a piece of the building off and allowed it to fall on the riders.

Kuuga transformed back Kuuga Gouram again and cut it through easily. He then grabbed Gamino in the air by the pincers.

Decade grabbed a final card attack places it in his driver before closing it.

Final Attack Ride: K-K-Kuuga!

The Kuuga Gouram's eyes are glowing as it wings opened flying toward Decade's direction. Decade jumped and ran up in the wall and jumped in sidekick position. Decade hits Gamino before Kuuga dropped him on the ground.

Kuuga Gouram turns back into Kuuga while standing next to Decade.

Dying Gamino looked at Decade.

Gamino: Even if you defeated me, you still have your counterpart to fight against...

Decade: I know, I'm not looking to forward it. But soon I'll be ready for him.

Gamino: Damn you.

He lays down before exploded his body.

Decade and Kuuga looked at each other, Kuuga offering him a thumbs up.

When Ryuji and (Y/N) rushes in the hospital to arrived at Ana's room, but it's reveal she's pass away and rested in peace.

At grongi are dead but suddenly they disappeared in cave they disappeared someone walking in the cave, revealing Narutaki.

Narutaki: Onore Decade. I cannot forgive you. But I don't care you the Savior but I know you will be destroyer one day.

He walking calmly in the dimensional wall and vanished.

Ryuji in the memorial of Ana, he smiles before getting up. While (Y/N) is taking a photo of Ryuji on his camera.

Before Ryuji walks towards them.

Ryuji: Thank you, guys. For everything.

(Y/N): We're glad that you find another reason to smile again.

Izuku: So what will you do from here for now on?

Ryuji: You know, I'm not sure... but I still be Kuuga no matter what through. She can wake up in the better world.

Made (Y/N) little smiles at Ryuji.

(Y/N): I see, let's go guys!

The gangs are walking away.

Ryuji: (Y/N)! Will we meet again, someday?

(Y/N) turns back and smiles.

(Y/N): Yeah, so long a riders are needed we'll always see each other again.

At Studio.

(Y/N) and Izuku and Rachel are returning to home, George is amazed seeing the photo he tooks on Ryuji with Ana smiling.

George: Oh this is amazing, (Y/N)!

He smiles at his foster grandson made (Y/N) chuckles for a bit.

Made Rachel smile while (Y/N) taking a photo of her and than she noticed it and blushing at her brother.

Rachel: (Y/N)?

(Y/N): Yeah, that's smiles of your is beautiful.

He smiles at her causing Rachel to be blushing madly with boil temperatures increasing more of her love.

Causing Rachel to be flabbergasted in blushing making a boys to be chuckles. 

(Y/N): When our missions is over yet, Izuku can be finally to go home.

Izuku: Yeah, by the way will Ryuji be okay?

He asking his friend.

(Y/N): Yeah, I'm sure he'll be fine.

At Ryuji

Ryuji got on his bike and drove out as he was driving, he notices a familiar black hooded figure.

Ryuji: Dark Decade!

Ryuji chased after him, Dark Decade left in a Dimensional Wall, as..... Ryuji entered to it.

George: Well than, how about we're taking a new photo background.

He pulls the chain, he gasped in reactions making the Gang turns seeing a new background appears seeing this a new world appears.

A red symbol with black background.

In the new world, there is a young man with white hair spiky wearing red coat his eyes are different eyes colored and wielding a giant sword in his hand. Standing on top of the tower at night.

To be continued
Well, that's it! The Blazblue Arc will be coming soon, and Ryuji will joined the gang returning back to their worlds.
And there will be a mysterious organizations in (Y/N)'s world that worked with Kamen rider and protecting the worlds and magic wielder.
And Index coming soon.