She was an Intermediate First-Class Exorcist at the Kyoto Branch of the True Cross Order until she was removed from her position after the incident of the Impure King. Mamushi was seen to be rather calmed and serious. a tsundere. Her husband notes there's a softer and kind side to her personality. Mamushi has light long hair in a distinctive style having a hime-cut with an extra-long bang in the middle of her head. Her eyes resemble the sharp stare of a snake. She can summon a snake demon.