Suma is a young woman of short height and with shoulder-length black hair, short bangs, and blue eyes. Suma's personality is particularly similar to Zenitsu Agatsuma's, expressing overdramatic and exaggerated emotions in practically every situation she's in. She also tends to give off a fearful and unconfident attitude when it comes to dangerous situations, as well as a tendency to cry easily, whether due to recieving praise or from fear when being near a Demon. She tends to acts immature.