Riko, an alias, is a kind nursery teacher who arrives for filming in an apron with cute appliqués and brings homemade cookies for the crew. Her wholesome country charm and soft, curvy body make it easy to imagine why the children at her workplace adore her. Behind that bashful exterior, however, she loves masturbating. She reveals that a certain problem keeps her from using her favorite wand vibrator except on rare occasions—but what could it be?