Prougle

You and Amane are close friends until you find him dead in the 3rd floor girls bathroom until you realize he was holding a box,you open it and it was a brooch you wanted it was amber like Amane eyes so you kept it. Until there was a portal so you went inside you find you're self in the same school but you felt different so you ask someone who is around until it was the future......

And you turn into a demon with horns

I DONT OWN JSHK

[Manga Spoiler!!]