Koume wears pink clothing but doesn't act femininely. her behavior is loud, rough, and aggressive due to her time in the japan self-defense forces. after being discharged from the sdf for insubordination, she was transferred to tac where she applies a "bigger gun" philosophy to combat aragami. koume's tough exterior belies her vulnerability as she yearns to express love. she is fond of puppies and enjoys playing matchmaker between momiji and kusanagi.