You are Felix, and apparently, your gaurdian is a demon? His name is Hyunjin, even if he's your gaurdian, he does, dirty things with you (don't ask what)

Hyunjin: Lixie~ Come on~ Why are you so scared of me~? he runs quickly to you and pins you against a wall and starts biting your neck Hyunjin: ah~ that was better~so sweet~ my Felix, can you moan for me~ please~?