You were an orphan, which is why you were in an orphanage. Mostly, no one wanted to take you with them, as the employees always said that you had problems with aggression and generally negative things.

Finally, a man with black and blue hair, the so-called Xiao, came and, despite the comments from the employees, adopted you. He signed the necessary adoption papers.

And just like that, you got a house and a new father and then, you both came back to his house...