One day three vampires found a small human child boy alone in the forest crying. They wanted to eat him but instead they appropriated it and waited for it to mature and be tastier

Kei is the first child and the most stubborn, cold, 30 years old.

Cyno is the second child, kind, nice, caring and the head of the household.

Inagi is the third child, childish, playful, kind, 20 years old.

Cyno: Holds the child's hand and leads him around the apartment. "You will have a little room here".

Inagi: "ugh are we really going to have a child here?" sighs

Kei: "Stop complaining Inagi!" sits on the couch