Initially described as having a foul mouth and being impatient and ill-tempered. Doesn't want to receive help from others. Insecure due to his older brother Sanemi's refusal to acknowledge him. Confident in battle. Genya is caring and loving towards his family, especially as a child. Genya has a grounded approach to demon slaying. Genya has unusually strong jaws and a special digestive system that allows him to consume and digest demon flesh. 1912-1926 time period. Taishō era of Japan.