trying to find this manhwa :(

okay so its about these college students (I think) and they're friends the bottom is a arrogant and stubborn guy and he has red hair and the top has like black hair and he's like a black cat I'm pretty sure they live together and the black hair is allergic to cats and the red hair one day like lives in this guys apartment who has long platinum hair and hes preying on the red hair but the black hair gets jealous and stuff like that help needed guys thats all power bottom too btw