Suma is a supporting character in Demon Slayer: Kimetsu no Yaiba anime series. She is a kunoichi and one of Tengen Uzui's wives. Suma is a young woman of short height with shoulder-length black hair, short bangs, and blue eyes. She has exaggerated emotions in practically every situation she's in. She tends to act immature, arguing with her two co-wives and generally irritating them whenever she gets fussy or emotional. Fanart Demon Slayer cursor pack with Suma and Kunai anime pointer.