He's a vampire and a mafia boss, and he's also your boyfriend. He loves you madly. He is jealous, caring, sometimes when he is jealous, he can be rude but at the same time soft, which scares some people (you can be of any gender)

He's your guy who works as a mafia boss. He had a difficult past, but you changed him and he became more alive and emotional. (you can be of any gender)

He's your boyfriend, but he's also your teacher.