Shin Author: This takes place during Pyrrha's match against Penny.

Takeru Pov

Oh no... Penny's going to die! *presses Eyecon and puts it into driver and closes it*

Driver: Eye~! Bacchiri Minaa! Bacchiri Minaa! Bacchiri Minaa! Kaigan! Ore! Let's go-Kakugo! Gho-Gho-Gho-Ghost! Go! Go! Go! Go!

I fly toward to the stadium and cut the strings that are about to kill her with my Gan Gun Saber.

Pyrrha: What?!

Penny: Huh?!

Cinder Pov

No!

Cinder: Mistress, what should we do now?!

Salem: Attack with full force now!

Suddenly, the dome destroyed and a Nevermore flies into the stadium. All the spectators panicked and make their escape.

Ruby Pov

I got passed Mercury after he was shocked for what happened.

Ruby: Penny! Are you alright?!

Penny: I'm fine! Thanks to this friendly ghost!

Pyrrha/Ruby: Ghost?!

Ghost: No time to explain! All of you have to escape now, there's going to be an all out war!

The Nevermore suddenly screech  and charge towards us until a lot of locker land on it.

Ruby: Guys!

Yang: Sorry we're late Ruby- who are you?

Ghost: I'm Kamen Rider Ghost! Please help the people evacuate, or more people will die!

The students take their weapon out of their locker, same goes to me. The Nevermore then woke up and screech again. All the students got their weapons ready until...

???: Thunder! Slash! Lighting Slash!

???: Hyah!!!!

Then, another Kamen Rider flies down and cut the Nevermore in half.

Ghost: You're late!

???: Sorry! There's some Griffins I have to kill on the way here! You guys help the people evacuate, now! We'll handle this!

Eiji Pov

Eiji: Ankh, it's time!

Ankh: Here! *throws medals to me* use that combo!

Eiji: Got it!

I put the three medals and push down my belt and slides the scanner in my hand.

Eiji: Henshin!

Driver: Kuwagata! Kamikiri! Batta! Ga~ta-Gata-Gata-Kiri, Ba! Gatakiriba!

Eiji: Can you handle yourself, Ankh?

Ankh: Please. *transforms* I'm a Greed alright?

(Ankh)

Eiji: Alright! Let's go!

I start to multiply and Ankh throws medals the other me.

Eiji: Let's go! Civilians' safety is our main priority!

Other me: Alright! Got it!

Tendou Pov

Tendou: Let's go, Takumi, Kagami!

Both: Yeah!

Two Zecters fly towards me and Kagami and we caught it

(Only watch until 0:42, and minus the monsters. Imagine they're Grimms, and of course, forget about those two monsters)

Takumi Pov

Takumi: Tch. Not waiting for me. 'Standing By!' Henshin! *slots phone into driver* 'Complete!'

I look at the Grimms and crack my knuckles.

Takumi: Come on!

Mutsuki Pov

Rouzer: Blizzard!

I freeze all of the Grimms and Tachibana shoots them.

Tachibana: They're weak, but there's a lot of them!

Mutsuki: I know!

Tachibana: Here you go! *throws a Rouze Absorber*

Mutsuki: This is!

Tachibana: Yeah! Use it now!

Mutsuki: Got it!

I take out my Queen and Jack cards.

Lend me your power... I equip the Rouzer.

(Imagine that the symbol is Mutsuki's Queen)

Rouzer: Absorb Queen! Fusion Jack!

I then transform into a stronger and new form.

Tachibana: Let's go, Mutsuki! 'Absorb Queen! Fusion Jack!'

We both charge towards the horde of Grimms and I start swinging my mace and staff while Tachibana shoots the Grimms with his gun. Then, two blurs, a red and blue came and the civilians were brought away. Heh, luckily we have those guys.

Haruto Pov

I clash with Cinder while Ozpin escapes.

Cinder: Why, *clang* do *clang* you *clang* have to interrupt my plans?! *clang*

I look to see a Grimm dragon fly towards the tower we are in. Then, a red colored dragon rams it away and starts to fight with.

Haruto: You help too! 'Dragorise, please~!'

WizarDragon: Tch! Annoying!

WizarDragon joins the fight and clashes with the Grimm Dragon, until a dragon castle joins the fight.

Wataru Pov

This is the most I can do... I hit another Grimm with my hammer.

Wataru: Hyah!

Y/N Pov

Y/N: Ora!

I punch a Grimm in my Ultimate Form, one shoting it. I take my staff and change into Ultimate Titan Sword and swings it around, slashing the Grimms. Shouchi punches another Grimm in his Burning Form.

Shouchi: Tch. There's a lot of them!

???: Attack Rider, Blast!

Then, the surrounding Grimms were wiped out. We look up to see a man with a gun.

Shouchi: Oh! You're Daiki Kaito!

Daiki: Here's some help.

He slots a card into his gun and pulls it out and shoots.

Gun: Riot Trooper!

Several of them comes out and help us to fight.

Tsukasa Pov

I have to get reinforcement. I create a portal and went through it.

*Meanwhile, in the Senran Kagura universe*

Y/N Pov (SK)

I stretch myself as I was about to sleep until I felt someone pulled me away.

Y/N: Aaah!!!!

Necrom Pov

Necrom: Y/N!

Then, his belt was also taken away.

Chrono: What happened?!

Then, Kai and Ikaku arrived but was taken away through a portal. Chrono and I got taken through the portal as well.

Tsukasa Pov

Tsukasa: Thanks for helping me take their drivers, Daiki.

Daiki: No problem.

Y/N (SK): Where the fuck I am?!

Tsukasa: Here, *throws Bugvisor and Dangerous Zombie Gashat* we need your help.

Y/N (SK): Can you at least let me wear something proper?! Sheesh! I get it! *Presses Gashat and equips Bugvisor*

Gashat: Dangerous Zombie!

Y/N: Henshin!

Bugvisor: Buggle it up! Danger! Danger! Death the Crisis! Dangerous Zombie!

Y/N (SK): The God... has arrived!!!

Kuroto: Another me!!!

Necrom: Y/N! You alright?!

Y/N: I'm fine! Let's help these people!

Daiki throws their driver and they caught and equips it. Then, he throws their Gashats.

Necrom/Kai/Ikaku/Chrono: Henshin!

Driver: Gachan! Level Up!/ Ba-Ba-Bang! Bang-Ba-Bang! (Yow!) Bang Bang Shooting!/Dual Up! Get The Glory In The Chain! Perfect Puzzle!/ Level Up! Bakusou Dokusou Gekisou Bousou Bakusou Bike! A Gacha! Giri-Giri-Giri-Giri Chambara! Taddle Meguru! Taddle Meguru! Taddle Quest~!

Y/N (SK): Alright guys, ready for another Co-op Gameplay?!

All: Hell yeah!

Y/N (SK): Go, go, go!

They rush towards the battle field.

Takumi Pov

Tch. There's too many of them!!! Who the hell spawn these shits?!?! Suddenly, a bunch of rockets hit the surrounding Grimms. What the hell happened?

???: Have you grown weak Takumi?

I look to see Kusaka in his Kaixa Form on his Side Basshar.

(Side Basshar)

Takumi: Kusaka!

Kusaka: Come! Let's show these monsters what we Kamen Riders are!

Y/N Pov

I eventually got through the Grimms with the help of Riot Troopers, Shouchi, and other riders. I believe some of them haven't evacuate yet. I run towards the battle field and saw the kid that I bumped into when I got to the dance.

???: You've arrived, Kuuga.

Y/N: D-Daguva?!

Daguva: Surprising, isn't it? Taking a form of a teenager. Anyways, *transforms* are you ready?

Y/N: Henshin!

Daguva: Oh?

Y/N: I'm born ready.

We then run towards each other, preparing for a punch.

Tendou Pov

Why are the students still here? I saw a rabbit faunus about to be flattened by a robot.

???: Velvet!!!

I run towards her and caught her, and slash the robot.

Coco Pov

Suddenly, the robot got cut a lot of times and then it explodes.

???: Clock Over!

I look to see a red armored man, holding Velvet by the waist and holding a weapon.

Velvet Pov

Velvet: W-what just happened?

???: You're safe.

I noticed at the position I was in. I blushed and quickly jump out from his hand.

Velvet: T-thank you.

???: You're welcome.

Coco: Velvet! You alright?!

Velvet: I'm fine.

???: You guys should evacuate. It's getting dangerous here.

Coco: Who... are you?

???: Just a passerby.

He then press something at the side of his belt.

???: Clock Up!

And he disappears.

Coco: Let's go Velvet.

Velvet: Y-yeah.

To Be Continued

Shin Author: And done. As you guys can notice, I've rushed this so, hope you guys enjoy it, and thank you all for reading, got school work to do, so... Ciao!