Looking for a manga

Hi guys the manga I'm looking for is a one-shot. And it goes like this two guys are going out; one of them is a right womaniser and keeps cheating on the other he doesnt go to school and doenst have a job I think while the other is a college student. The one that goes to college was pretending to sleep in his boyfirneds house and his boyfriend comes up to him strokes his hair and tells him he loves him. Turns out he thought he wasn't good enough for the other and was trying to get him to break up with him. Long explanation but that's pretty much how it goes :D :D