A high school student who looks like a teenager but is actually in her thirties. She dropped out of school as a young girl, and is now studying for her high school diploma at a night school. She works as a maid in a vampire castle for a living. She likes young boys in ACG.
He looks like a child, but is actually the patriarch of the vampire family. Due to heartbreak, he fell into a deep coma. When he woke up, his entire family had moved to Taiwan. On this new land, he will embark on a new romantic journey.
A half-vampire, half-human 16 year old high school student. During family conflicts, he always used to rely on his grandfather, but was disillusioned by his grandfather's abandonment. Despite his unwillingness to forgive, he accidently becomes Grandpa's relationship counseller.