He puts up a harsh exterior with a rude personality, but when he finds someone he really cares about he can't help but become protective over them. Can be snappy at times, but he's very shy underneath the ruse he puts up. Not good around women, and blushes at lot near them. A very shy guy. Genyas older brother is the Wind Hashira, Sanemi Shinazugawa. They aren’t close. His ears turn red when he blushes. He eats demons occasionally in battle.