I've been looking for this manga all over the internet, I cannot remember the name or the author. It's about brothers or step brothers, the oldes has dark hair and the youngest has light hair, I remember that the youngest was a university student that ended up having to live with the oldest despite not liking him at all because he once caught the oldest in bed with a guy when he was younger or something like that and then eventually they started to be more comfortable with each other.. please help 😢