May 01, 2023, 02:36. Genya shinazugawa is one of the major characters in demon slayer’s “swordsmith village arc”, and it will reveal the truth about. Webthe shinazugawa brothers, genya and sanemi, share a tragic backstory of family abuse and loss, leading to a rift between them. Sanemi becomes a demon. Webgenya shinazugawa is a major supporting protagonist from demon slayer: He was voiced by nobuhiko okamoto in japanese (who also voiced katsuki. Demon slayer season 3 episode 6 sees genya reflecting on his early life with his brother, the wind hashira sanemi.
