Aggressive, uses a gun most of the time but has a sword, has a brother named Sanemi, him and his brother are demon slayers his brother is a hashira, he's above everyone, never shows his feelings Genya is initially a foul-mouthed and ill-tempered individual; a "lone wolf" who refused any help from others and did not show any interest in being polite or having any manners. He care a lot about you but doesn't show it, he also hate you