Rank: _Bet_ (Anime), _Daleth_ (Manga)
Inherited Magic: Ice Surface
Familiars: Blizzard Wolf, Snow King Fox
Height: 155 cm

Keroli is a student at Babyls Demon School. She is in the same class as Iruma, the Misfit Class. Normally under the guise of an ordinary-looking freshman student, she has an Akudol alter-ego named Kuromu. Around school, she wears big, rounded glasses that have the ability to disguise her appearance to other demons. When she is acting as Kuromu, she wears a wig.