Divorced woman "Chinatsu" is overwhelmed by intense sexual desire, driven to separation after her husband left her for another woman. Day after day, tormented deep inside, she finds comfort only in masturbation. Yet her desires remain uncontrollable, leading her to seek out a visiting host. Their first meeting ignites immediate passion, quickly escalating to unprotected creampie sex. Later, they playfully bond in the bath, deepening their connection. Days afterward, they have sex again and exchange contact information.