Webgenya shinazugawa can temporarily gain a demon’s abilities by consuming their live flesh. This is the reason why his appearance changes and resembles that of a. 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 slayer,. 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 slayer, while genya. Webgenya shinazugawa's transformation in demon slayer allows him to fight demons on even terms, as he borrows their traits and strengths.
