Genya is initially a foul-mouthed and ill-tempered individual; After some time, he learned to become more sociable and less ill-mannered towards others. Genya had a much more feral appearance, having undergone a growth spurt that put him at almost six feet tall. His hair is also longer, worn in more of a mohawk style, is also noted that he became more muscular and gained many more scars all over his body. His outfit changed to a dark olive-green version of the Demon Slayer uniform