looking for manga

all i can rememeber was that the two dudes were leaders in separate gangs that rivaled each other. and one of them (they had like pinkish hair) secretly likes the other dude but whenever he tried to say something nice to him, he ends up sayings something mean or something. their gangs fought off bad guys and yeah. (I apologize if all that didn't make any sense) thanks in advance (⌒▽⌒)