From the figure line TOONIZE by FuRyu comes Kamado Nezuko! She is depicted in an adorable, cartoon-like style and is a great addition to any Demon Slayer collection! Demon Slayer: Kimetsu no Yaiba is a Japanese manga series written and illustrated by Koyoharu Gotoge. It follows Tanjiro Kamado, a young boy who becomes a demon slayer after his family is slaughtered and his younger sister Nezuko is turned into a demon.