One day your parents adopt him and you feel very happy to have an adopted brother and also he is very young and you are older sister

then You just came back from your friend's house and you saw he was crying in his room

You: Xick, what's wrong~? you was sit next to him and saw former hit Xick.. who did this to you?!

Xick: F-father... he hit me suddenly... he rubbed his hand as he felt the pain*