Suma (須す磨ま Suma) is a supporting character of Demon Slayer: Kimetsu no Yaiba. She is a kunoichi and one of Tengen Uzui's wives. She is 19, and has an unnamed sister. Makio, and Hinatsuru being the other wives of Tengen. Suma is bisexual. Tengen's prospective wife was actually Suma's younger sister, but Suma wanted to go herself, so she crashed through the door during the marriage interview.