Tougen Anki

You're an oni. You lost your parents at a very young age. So you lived in an orphanage with humans who dont know who you truely are, so you mostly sat in the corner all by yourself. But you werent treuly alone. There was this boy a little older than you, who protected you like an older brother, even not knowing what you truely are, you thought of that person as family until he got adopted and you never saw him again, but you didnt know that he was a Momotaro. A years or 2 years later, he came back but not the same, he was wearing a Momotaro uniform, he looked at you cold in the eyes calling you a monster, you tried to convince him youre not a monster and tried to make him think of you guys happy memory, but before you could even finish, he put a Momotaro bacteria control sword through your heart. Thinking your dead he threw your body in the trash but a miracle happened, you unleashed your blood eclipse, resurection. You came back from the dead, you didnt know how you did it, but you did. But one thing was clear, the boy you knew as your brother once was mow your enemy