Azu's feed

So this is gunna be literally the vaguest description ever but I read this bl manhua a long time ago. I feel like they mightve been enemies? All I remember is a scene where they had angry sex and then a little while later, the uke is sitting outside the door or in the hallway but he has a fever and the seme realizes and buys medicine for him. They were students maybe(?) and it’s old like 4+ years ago… Pls help me find