Please help me find the title of this bl manga

The first manga that I want to find is about an uke who is a janitor, and seme who's a playboy student. So basically, the playboy flirts with him and played with his feelings. They got together at the end cause seme fell in love with him. What I remember is on the special chap, the seme is a bit upset cause he feels like the uke still don't trust him. I think there's a panel where he wants the uke to stay at his house after making love but uke just casually dressed up and told him that he's gonna go home. So it was like seme feels like the uke is not expecting anything from him and he thinks it's because of his past actions.

The other one is a student x student. Seme has a black hair, uke has a blond hair. Basically, uke is quite famous because of his looks and hair and the fact that he is a transferee. The art style was soo good and uke looks so pretty. So the two of them became roommate. At first, uke is quite not fond with seme (tsundere, I think) but they eventually became friends. They became too close that they end up crossing the boundary line between friends (if you get what I mean hehe). It's just touching okay? So seme made the uke think that it's okay to do that between friends. That it's normal for them to touch each other. There's a scene where they went on a trip in the beach, the uke find out that friends don't do that, but in the end they still got together and *ehem* did more than *ehem* touching inside the room where the students was supposed to sleep. The other students was away that time, eating. But if i remember it correctly, they almost got caught. Good thing, they locked the door. Thank you!