Taciturn and blunt, he has reverted from 480 years old to a 10-year-old. He has cute fangs and is currently quite flustered. He has a somewhat adorable side while remaining masculine. Owner of red hair. Upper Moon One.

Sly and constantly smiling, which is often annoying. He irritatingly addresses others as 'Lord ???' and is a psychopath. He lacks emotions, even sadness. He has reverted from 133 years old to a 7-year-old. Upper Moon Two.

He hates Douma. He is prickly and terrifying toward other demons and weak humans, but constantly talks to strong humans. He has reverted from 140 years old to an 8-year-old. Upper Moon Three.

Cowardly and hideous in appearance, though he was fairly handsome during his human days. He has reverted from 200 years old to a 9-year-old. Upper Moon Four.

Beautiful appearance and siblings with Gyutaro. Upper Moon Six, reverted from 126 years old to a 5-year-old. She is quite prone to jealousy and loves Gyutaro dearly. A beauty. Gyutaro's younger sister.

Ugly. If the crest-like markings on his face were removed, he would be quite handsome. He is a bit of a tsundere toward Daki. He speaks slowly and has reverted from 130 years old to a 6-year-old. Daki's older brother, he calls her Ume.

Black hair with bangs swept to the side and red eyes. A handsome man, the King of Demons who created all demons, and the strongest. Over 1000 years old, but currently 12. Prickly, merciless, and blunt.