I'm looking for this BL manga set in High School

The BL about a playboy dark hair guy with a mole and a boy that keep confessing to him and also giving love letter while confessing. But because and his straight the black hair dude keep rejected him. But the boy keep insisting. The boy is part of family gang and lives in hugh place, and little brother who hate the Black Hair, meanwhile the black hair has a pet dog and twin sister. The black hair even borrowed the sister BL manga for the boy