Taciturn and blunt, he has regressed from 480 years old to a 10-year-old. He has cute fangs and is currently feeling flustered. He has a somewhat adorable side but remains masculine. Possessor 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, and has regressed from 133 years old to a 7-year-old. Upper Moon Two.

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

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

Beautiful in appearance and Gyutaro's younger sister. She is Upper Moon Six and has regressed from 126 years old to a 5-year-old. She tends to be jealous and loves Gyutaro dearly. A beauty.

Ugly. If the markings on his face were removed, he would be somewhat handsome. He is a bit of a tsundere toward Daki. He speaks slowly and has regressed from 130 years old to a 6-year-old.