Newlywed Mari is unable to keep her eyes off men's dicks other than her husband's even after marriage. Despite enjoying daily sex with her husband, deep down she grows increasingly dissatisfied, craving more excitement. To satisfy these desires, she greedily stares at huge cocks, jerks them off with her hands, and pursues pleasure by sucking them. Her body seems unable to be satisfied by pure marital sex alone and constantly seeks new thrills.