(No cheats + no tricks + dark world + decisive killing + vampire legend + single female protagonist)
Security guard Zhang Wei:
"Master Shiyu didn't look right when he came back today... Wait a minute, why is there the sound of smashing things at his house?"
King Star:
"My brother has been acting strangely lately. He doesn't drive fast, doesn't drink, and disappears every day after school. Could it be that he has a girlfriend behind my back?"
Xu Qianya:
"That silver-haired priest actually talked to me today and asked me to send a note to a man named Liu Shiyu... This man seems to be the playboy in the next class?"
Song Wei:
(Looking at the skinny high school student in front of him) "Lucifer, are you serious?"
Lucifer:
(Silence)
(remain silent)
"... He's healing much faster than I expected."
(Thoughtfully)
Liu Shiyu:
Open the door and step on blood. Knocked away by a monster. The arm was broken into a Z shape.
When I woke up, all my injuries were healed. My parents are gone.
A priest gave him two paths.
He chose the one that would kill people.
It's not that he's not afraid of death.
It is he who is more afraid of forgetting.