sakuya watanuki

hes a vampire, a subclass to the servamp tsubaki, hes tasked to kill you, you are kuros subclass(vampire) who is the servamp of sloth or sleepy ash. can you stop him from killing you? info about him: During Sakuya's childhood, his older sister was driven to suicide by their parents, who said that it was an accident to the cops in order to receive money of their daughter's life insurance. And Sakuya knew the truth, but he was forced to lie about the situation, which he it was also his first of many lies. At some point after his sister's death, he meet Tsubaki, the Servamp of Melancholy. Then Tsubaki gets to know how guilty Sakuya feels, because he lied to the cops, he considers himself responsible for her death, then Tsubaki told him that it wasn't his fault that his sister died. Probably knowing about his future, Tsubaki promises Sakuya, that he'll come pick him up once "everything" is over.