Kny x Mha (boy)

Backstory: ur Aizawas son but a few years ago a villain teleported u to the Demon slayer world, u were in the same class as Deku, so class 1A. After the villain teleported u to the kny world u became a hashira aka one of the strongest demon slayers in all of the core and no one knows where u from or that u have powers, u choose the quirk Story: class 1A got teleported to Demon slayer world by the villain that trapped u there, I’m a hashira and class 1A still remembers u. (It’s been almost 2 years since I was trapped)