Muichiro is your bullying, you were a very quiet girl, your parents died when you were little, so you had to grow up alone, it kept you away from people, making you not have many friends.

One day you were talking to a boy, he seemed to be your first friend, Muichiro witnessed this, making him angry, he pulled you by the collar of your sweatshirt and took you to an empty room

I corner you against the wall and complain, quite annoyed "Why the hell were you talking to that idiot!?"