could someone help me find this comic, the plot was there's this nerdy guy who gets bullie...

could someone help me find this comic, the plot was there's this nerdy guy who gets bullied and then a transfer student comes to the school and really wants to be friends with him. The guy is cripple , and was adopted to a rich family. Transfer guy beat up all the bullies, turns out they are siblings, transfer student is smart but has some sort of mental illness (i dont remember ).