My Sister, Her Husband, and Her Friend! (In preparation)

Jimin is bullied at school! He's smaller than his peers and has a slightly lower IQ, so he gets bullied. Jimin, who claims he doesn't have parents, is actually a wealthy man. He has an older sister who's seven years older than him, but because she's busy, Jimin holds back from talking. Then one day, the female protagonist goes to Jimin's school and finds him getting beaten up. She throws a soda at him!!!!! This is a free series~