Race Human Height 160 cm (5'3") (Catastrophe) 165 cm (5'5") (Vampire Reign) Affiliation Order of the Imperial Moon, Japanese Imperial Demon Army, Guren Ichinose's Aides Section Moon Demon Company, Guren Squad Rank Second Lieutenant She is a second lieutenant of the Japanese Imperial Demon Army and a member of Guren's squad in the Moon Demon Company. While serving as a member of the Moon Demon Company, she is also an Army instructor for the training classes. Sayuri belongs to a retainer house that serves the Ichinoses. Sayuri is shown to be quite perceptive at times, observing how Yu and his friends are much stronger than she is, when she was 16.

Spoiler

She had a crush on Guren and was his emotional support.