Help me Find this manhwa

So the girl is a piano major in college and the boy plays basketball/volleyball and the boy is a sunbae to her and they both have dark black hair and her friends/roomate/sunbae(Girls) a short hair one gets together with a blond guy that is also the male lead’s friend and a long haired girls who’s kinda a pervert gets together with a blond long haired guy from the male lead’s dept as well and….. that’s all I can remember