A delinquent gets hit by a limo, and the owner of the limo is a small, cute boy. He looks like an angel but is like a demon inside. He makes the delinquent sign a contract. In school all the boys treat him like he's fragile and dislike the delinquent. Stuff happens, and he tells the delinquent that he likes him because he "saved him" by running someone over with his moped. Anyone who recognize this? It's not uchi no ko ni narinasai

Hounetsu Jive chapter 7 (Sweet Little Devil)