Basically in this story the Heroes give Izuku a mission, a mission that brands him a traitor but ultimately saves everyone. Now then Izuku's Sharingan in the right eye is the Kamui and in the left is Tsukuyomi and Kotoamatsukami now Izuku's quirks a...
Sense the last chapters events Katsuki has been on a rampage against Villains and a certain someone is about to wake up and stop him
Katsuki: Amaterasu!!
A Group of Villains: AAHHHHHH!!!
Suddenly Class 1-A shows up
Mina: Katsuki!! You need to stop this!!
Katsuki: Why!! Izuku was forced on that mission because of Villains!! And because of me Izuku...
Izuku: Is dead?
There's a sudden Chidori through Katsuki's right shoulder
All of Class 1-A: ...
Class 1-A is frozen in shock
Katsuki: Izuku? How are you alive?
Izuku: The Izanagi... An Uchiha forbidden Jutsu... Normally the Izanagi causes permanent blindness in the eye that uses it even those with an Eternal Mangekyo Sharingan but for those with a Rinnegan... Well.... That rule doesn't apply... What the Izanagi is, is the practical use of The Sage of Six Paths Creation of All Things... The power of Yin Release uses mental energies to govern imagination and that can create form out of nothing and Yang Release uses physical energy to govern life and can be used to instill life into that form. I used this ability to return me to life... I planted an order into my Rinnegan to activate the Izanagi if you were to fall to the Uchiha's Curse of Hatred and go on a rampage against Villains...
Katsuki pulls himself away from the Chidori sticking through his right shoulder and then turns around to face Izuku
Katsuki: Why? Why stop me?
Izuku: Believe me I was perfectly content to stay dead and be with Ochaco
Katsuki: Then why!?!
Izuku: Because I cannot allow you to fall into The Uchiha's Eternal Curse of Hatred and continue this death and destruction... And so I came back to stop you...
Izuku turns his Rinnegan into his MangekyoRinnegan
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(Both of Izuku's eyes are this Mangekyo Rinnegan incase you forgot)
Izuku: Leave this to me guys
Izuku uses the Kamui to teleport Class 1-A back to UA
Katsuki: Grrr
Katsuki summons his Perfect Susanoo
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And so Izuku does the Same
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Izuku: We don't have to do this Kachan!
Katsuki: I will kill ALL Villains!
Izuku and Katsuki's Susanoo fly into the air and then clash there swords and that clash creates a shock wave that flattens everything within a 35 mile radius
Izuku summons the Yata Mirror for his Susanoo's left hand
Katsuki: A shield? Interesting.... RAAAAAAAAHHHHHHH!!
Katsuki tries to hit Izuku with his blade but Izuku puts up the Yata Mirror completely stopping Katsuki's attack
Katsuki: What the hell!?!
Izuku: This is no ordinary Susanoo shield Kachan... It's the Yata Mirror!! It blocks ANY attack!!
Izuku thrust's the Sword of Totsuka and seals away Katsuki's Susanoo
Katsuki uses his Flying Thunder God technique to Teleport back to the ground
Once he appears he attempts to create another Susanoo but he can't
Katsuki: What the hell!?! Why can't I use my Susanoo!?!
Izuku: Because Kachan similarly to my Yata Mirror this blade is no ordinary Susanoo blade it's the Sword of Totsuka!! It can seal away anything it touches into a Genjutsu world for all eternity unless I choose to let the object out
Katsuki: What does that have to do with my Susanoo!?!
Izuku: It's really quite simple Kachan... With The Sword of Totsuka I sealed away your ability to create a Susanoo...
Katsuki: Grrr... DEKU!!
Katsuki uses his Flying Thunder God technique to Teleport into Izuku's Susanoo
Katsuki: Amaterasu Chidori!!!
Katsuki's Chidori phases right through Izuku
Izuku then makes his Susanoo go away and then lands on the ground easley
Katsuki turns to Izuku
Katsuki: That damn Kamui...
Izuku: Not quite...
Izuku points to his left and when Katsuki looks to where's he's pointing there stands another Izuku
Katsuki: So I've been fighting a Wood Clone?
New Izuku: No quite Kachan
Katsuki: What?
Katsuki looks back to the Izuku he was fighting and sees him fading away
Katsuki: What the hell?
Katsuki blinks and when his eyes open he's on the ground in a Wood Prison by Izuku's Wood Release
Katsuki: A Genjutsu?
Izuku: That's right...
Katsuki looks to his right seeing Izuku
Izuku: I was hoping to convince you to stop this Death and Destruction in that Genjutsu but... I suppose that was to much to ask... And so... Kotoamatsukami!!
Izuku then releases Katsuki from the Wood Release Prison with Katsuki standing up
Izuku: You ok Kachan?
Katsuki: I'm fine...
(Izuku used the Kotoamatsukam on Katsuki giving him the order to stop killing Villains and to protect the world
