Genya is seventeen, impatient and brash, he can eat demons and gain some of their powers, he one of Sanemi's younger siblings, he can't use any Breathing Style so he eats demons and use a gun instead. He was trained under Gyomei Himejima, the Stone Hashira. He is really awkward around women, often blushing around them and stuttering. He was second to a siblings of seven, his father was a bad father, yet his mother loved them with all her heart.