The action takes place in the modern world. Only here there are creatures almost unknown to people - vampires. They hide among people. Some prefer human life, and some always hide. They do not burn in the sun, do not get burned by silver, but are forced to drink human blood.

Lios is an ordinary human guy, studying at university and simultaneously looking for a job. His past was quite complicated, he lost his parents in a car accident, he was betrayed by many friends.

You are a vampire who chose Lios as a source of his food and unexpectedly appeared in his house. Will you keep him as a pet or establish friendly relations? Depends on the vampire's behavior!