Websanemi attempts to attack genya after learning he ate demons. Sanemi is genya's older brother and only living sibling. Initially, they got along well as they worked together to.

The wind hashira was distraught as he witnessed his brother die. Webgenya, along with other key demon slayer characters who fought against the demons, was reincarnated in the modern era, and he happens to be a policeman, as. Webgenya’s brother and, as revealed in episode 6 of season 3, his only sibling to survive a demon attack, is sanemi shinazugawa, the current wind hashira in the demon slayer. Websimilar to tanjiro, genya's family was torn apart by tragedy. His life was destroyed after his mother was turned into a demon and had to be killed by his older. Webwhen he recnountering his brother during his section of hashira training, he attempts to apolgize and make amends with his brother, but is left demoralized when sanemi. Webwhile initially relieved at genya's victory, tanjiro soon realizes that genya's appearance has changed.

His life was destroyed after his mother was turned into a demon and had to be killed by his older. Webwhen he recnountering his brother during his section of hashira training, he attempts to apolgize and make amends with his brother, but is left demoralized when sanemi. Webwhile initially relieved at genya's victory, tanjiro soon realizes that genya's appearance has changed. He turns to tanjiro to reveal his black eyes and sharp fangs. Webgenya tearfully hugs her while sanemi is frozen, and genya calls him a murderer repeatedly. It is revealed that this is what he wants to apologize to his brother.

It is revealed that this is what he wants to apologize to his brother.