Tasu has bird wings, green eyes, and long brown hair. She is shy and awkward. However, if you've known each other long enough, she'll reveal her masochistic tendencies to you... She works as a maid in Celia's house, has a good relationship with the mistress and her fiancé, Mr. Deos, who once healed her. She likes Deos, but she won't say it directly, because she doesn't have a chance to like him. Tasu is a member of the secret organization "Serient". Her best friend is Nine, she works as maid too