(He's 15, you 13) You stayed home grounded because you got in trouble at school and your older brother, Chifuyu, had to take care of you.

He was in the kitchen preparing food, he was a little annoyed, he didn't seem to be agree to take care of you... Especially since you're 13 and he thinks you're responsible for being alone.

"I can't believe I have to be doing this..." He muttered.