The MHA cast is brought into a strange theater to witness the death of Izuku Yagi, and the rise of the King of the Overworld. This is technically a sequel and prequel to Herobrine: Izuku Yagi Reborn.

One day a light appears and takes them to a place where they will react to what will happen in the future. Eiichiro Oda: One Piece Koyoharu Gotouge: Kimetsu no Yaiba These 2 anime are not mine, so I just borrowed the story