We open up on the Youkai Kingdom, we see multiple youkais moving about their daily lives. We then go to the main building of their queen. Inside in a meeting room area we see Yasaka along with Okina and Yukari were in the room along with a smaller girl with short pink hair. She wore a blue long sleeve shirt and a long pink skirt. She also had a red eye connected to her by yellow tendril like veins. She had a sort of unmoving blank expression on her face as well.

There was another woman who had longer pink hair there also. She wore a more Chinese inspired outfit and also had bandages wrapped around her left arm.

The five of them sat around the room discussing over things.

Yasaka: Now that we are allies with the Lunar Kingdom, we'll have powerful allies just in case Union or Atlas declares war on us

Yukari: Yes, it was quite fortunate that their ruler had returned before anything bad had happened

Okina just gave them a small nod before looking towards t short pink hair girl.

Okina: Now that those affairs are in order, have you found anything of interest Satori?

The girl now known as Satori looked to her.

Satori: Nothing yet, most sources that we are worried about have been quiet as of late

Okina gave her a nod, as Yukari turned to the longer pink hair girl.

Yukari: Now what you Kasen? Anything of interest that you have to report

Kasen looked to her with a small smile.

Kasen: Nothing too important, all I've been really doing is helping with the training of the warrior youkai

They nod again, as they continue to discuss other matters until they suddenly felt the ground shake. They catch themselves quickly.

Yasaka: Is everyone okay?

Yukari: Yes, but what was that?

They quickly move to the large window of the room and look out seeing a large army approaching the Kingdom. Yasaka looks and sees a flag that had the White Fang symbol on it. On the outside we see the White Fang army approaching quickly, though their approach was soon halted by the Youkai Kingdom's army lead by a white wolf tengu youkai known as Momiji.

Momiji: You all have some nerve to attack us. Why are you attacking us anyway!?

After she had questioned this she soon sees Yagi step up to the front shocking her as he smirks at her.

Yagi: Let's just say, I require an audience with your leaders

Up on the Lunar Kingdom we see DOTHOH (Y/N) had discussed and told (Y/N), her trainers and her retainers the events of his world.

(Y/N): I guess you and my aren't so different

DOTHOH (Y/N): Yeah, besides the point of you basically being a queen and such

(Y/N) chuckled a bit at this.

Sagume: Getting back on topic, your version of Yagi had escaped from a prison that you had put other corrupt heroes into

DOTHOH (Y/N): Yeah, we're not entirely sure how he escaped either, but we suspected foul play was involved

(Y/N): Well, whatever the case we'll help you find, we don't need him causing to much trouble in our world. And I'll also forgive you for hurting my precious rabbits for now

DOTHOH (Y/N) nervously scratched the back of his head.

DOTHOH (Y/N): R-Right...

Before they could continue an alert suddenly went off. A holographic screen then appeared with the face of Yasaka appearing with it.

(Y/N): Yasaka? What's wrong?

Yasaka: I'm sorry for calling so abruptly but we need your help

(Y/N): What's wrong?

Yasaka: We're under attack. The White Fang suddenly showed up and began to attack us and they were with someone that looked like All Might

DOTHOH (Y/N) stands up.

DOTHOH (Y/N): Yagi...

The two looked to each other and nodded. (Y/N) then looked back to Yasaka.

(Y/N): Don't worry Yasaka we're on our way to help

Yasaka: Thank you, please hur-

She stopped suddenly turning with a gasp as the communication cut out. (Y/N) looked on with a growl as she looked to DOTHOH (Y/N) who nods to her. We then cut back down to the Youkai Kingdom seeing the warrior Youkai trying their best to hold off against the White Fang due to their greater numbers. We see Adam clashing blades with Momiji though she was quickly be overpower due to Adam's semblance.

Momiji: Why are you even sided with him, I thought you and your organization were against humans

Adam growls as she said this and went for an upward slash that she quickly blocked with her shield.

Adam: That bastard forced us underneath his boot but trust me once you all are demolished, I'll kill him next!

Adam then kicked her in the stomach knocking her over onto her back. He then approached her and raised his sword ready to kill her. Before he could however, he and Momiji heard a noise to the right. Looking over Adam was suddenly tackled from the side by (Y/N) riding Grani. With the rest of the Lunar rabbits rushing in joining the fight against the White Fang. DOTHOH (Y/N) came running in and stopped next to (Y/N), as her retainers also joined the fight moving to different areas of the Kingdom to help. (Y/N) looked to Momiji who looked up to her in wonder.

(Y/N): You okay?

Momiji: Y-Yes, thank you

(Y/N) gives her a small nod and smile before she then looked over seeing Adam getting back up.

(Y/N): Go help the others, we'll deal with Adam

Momiji looks at her for a second before nodding, getting up and running to help any other youkai that needed it. (Y/N) jumped off Grani and looks to them.

(Y/N): Grani go around and help anyone who needs it

Grani: Understood

With that Grani then flew off as well. (Y/N) summoned her shield and lance to her hands, while DOTHOH (Y/N) activated his Ultratrix. Adam fully got up and growled at them.

Adam: How dare filth like you attack me

(Y/N): You have some nerve of your own attacking an ally of my kingdom

Adam: I don't care about any of that! But killing both of you will help me prepared for killing that dumb bastard!!

Adam got ready to rush at them as DOTHOH (Y/N) transformed into his Thep Kufan form known as Snare-Oh.

After that they all rushed in. Adam slashed at (Y/N) that she quickly blocked with her shield leaving him open for Snare-Oh to strike him with a punch sending him flying back a bit. Before he could go far, Snare-Oh then shot out one of his bandages and wrapped it around Adam's leg. Snare-Oh then quickly pulled him back and slammed him into the ground behind them. Adam then recovered and cut the bandage freeing him leg. He gets up and strikes Snare-Oh with a kick knocking him back a bit, he then went in for a slash at (Y/N), that she blocked again and parried. Then hitting him with a kick of her own, before slashing him with her lance causing him to stumble back a bit. While he was stunned Snare-Oh came back and struck him with another punch to the back of his head. He then wrapped up with his bandages again and slammed him into the ground a couple of times. Then throwing him up into the air, with (Y/N) jumping up following him up. Once she made it up to Adam, she slashed him a couple of times before then blasting him down with fire magic. Adam soon lands and gets back up in a rage and rushes towards Snare-Oh going to stab him. Snare-Oh held him back a bit as they struggled against each other. A green flash then surrounded Snare-Oh and Adam was blasted back by a stream of pressurized green liquid. Looking up he sees that Snare-Oh had transformed, this time into DOTHOH (Y/N)'s Sphoeroid form Spitter.

Adam slowly got back up a growled at him and was about to attack again but was stopped by a dive kick from (Y/N) knocking him back again. Adam got back up and yelled in rage and rushed at her clashing his sword with her lance. The two struggled against each other for a bit before Adam pushed her back a bit before sheathing his sword seemingly charging up an attack. He soon goes for a large slash at her. In response (Y/N) defended with her shield, and once the two met a large shockwave was produced shaking the buildings around them. The two struggled against each other for a bit before (Y/N)'s shield began to shine shocking Adam. She then shot out her shield of the just attack blasting him back. He was about to attack again only to be hit by a sudden blast of electricity. After it had stopped, he looked to whoever had blasted him and sees that Spitter had transformed again, this time into DOTHOH (Y/N)'s Nosedeenian form Buzzshock.

Buzzshock chuckled at this befor motioning over to his right. Adam looks over and was met with a shield bash from (Y/N) knocking him back quite a bit. She then fired out another shield of the just and Adam quickly put up his sword blocking and absorbing it. Buzzshock then joins combining his electrical blast with (Y/N)'s beam. The newly charged beam soon overpowered Adam and consumed him. The beam soon dies down revealing a heavily injured Adam with his aura breaking shortly afterwards. He tries to move forward to continue the fight but Buzzshock then transformed again this time into DOTHOH (Y/N)'s Necrofriggian form known as Big Chill.

He then breathed a large gust of cold air onto him freezing his body but leaving his head exposed so he could breathe. Cold puffs of air escaped Adam's mouth as he glares at the two. Big Chill then transformed back to human as (Y/N) dispersed her lance and shield. The two let out a sigh of relief before smiling to each other and giving a thumbs up. Once they were done with Adam, they look around seeing the battle was going now in the favor of the warrior youkai thanks to the assistance of the Lunar rabbits and (Y/N)'s retainers. Soon Reisen came to them giving a small salute to (Y/N).

Reisen: Your eminence, the White Fang are being pushed back more and more

(Y/N): That's good to hear

DOTHOH (Y/N): Have there been any sightings of Yagi yet

Reisen shook her head no causing him to growl a bit. Before they could discuss further Momiji suddenly came up to them.

Momiji: The queen and the sages are in trouble. I saw that All Might look alike heading towards the castle

DOTHOH (Y/N) growled upon hearing this before he turned to (Y/N).

DOTHOH (Y/N): We need to go now!!

(Y/N) nodded and called up to the sky.

(Y/N): GRANI!!

After saying this Grani then came flying back to her. (Y/N) and DOTHOH (Y/N) both get onto them and before they flew off (Y/N) turns to Reisen.

(Y/N): Keep helping the warrior youkai with the rest of the White Fang, we'll go deal with Yagi

Reisen nods and her and Momiji both head off to help the rest of the Youkai warriors and the Lunar rabbits. Grani then quickly flew towards the castle, ramming through any white fang that got in the way. Soon they make it to the castle and get off Grani. (Y/N) then turned to them.

(Y/N): Go help the others

Grani nods and flies off and the two head inside. They make it through the castle until they come upon a room. Heading inside they see Yagi standing there with his hand raised, they also see Yasaka, the sages and Satori all writhing in pain as some type of energy was flowing out of their bodies and towards Yagi.

DOTHOH (Y/N): Yagi!!!

Hearing this Yagi turns and upon seeing them he smirks.

Yagi: Well, if it isn't (Y/N) Tennyson. It's been a while hasn't it?

(Y/N) then stepped up glaring at him.

(Y/N): What the hell are you doing to them!?

Yagi: Nothing much, just draining their magic with a little device that a friend gave me

They both look to Yagi's raised hand and sees a small device strapped to his wrist.

The magic was flowing into it and it was all flowing through Yagi's body.

Yagi: With this I'll kill you then head back to our world and destroy everything you worked to create! I will bring a new age of Union!

DOTHOH (Y/N): Like hell we'll let you do that!!!

The two quickly rushed towards Yagi. But before they could reach him the device finished draining Yasaka, the sages and Satori's magic making a small beep of conformation. Yagi smiled as a bright glow surrounded him with it creating a shockwave that pushes the two back along with the others in the room. The light soon died down as (Y/N) and DOTHOH (Y/N) looks up seeing Yasaka, the sages and Satori barely awake.

???: Shall we see how this battle will go now?

They look up towards where Yagi was and sees that he had bulked up to his All Might size. Though his outfit was now yellow, and he also had a cape now to. His eyes were glowing a bright yellow and his teeth were sharpened. The device was now a bit larger and wrapped around his arm as well. Seeing this (Y/N) summoned forth her lance and shield, while DOTHOH (Y/N) transformed into his Cerebrocrustacean form Brainstorm.

He then activated the evolution feature of the Ultratrix evolving his Cerebrocrustacean form to its ultimate level. Now becoming larger and his shell becoming a metallic blue titanium and his claws turning into what looked to be railguns.

A small chuckle was heard from who looked to be Yagi.

Yagi?: Well, then let us see what you can do against...

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Ultimate All Might!!!