Tags:
4-koma/Yonkoma, Adapted to Anime, Appearance Different from Actual Age, Appearance Different from Personality, Cohabitation, Doll/s, Friendship, GL Subtext, Immortal/s, Immortality, Kind Female Lead, Manga, Mansion, Modern Era, Mysterious Female Lead, Otaku, Technology, Tomboy/s, Unaging Female Lead, Vampire/s
Very nice manga ngl
this has an anime