Hana, a married woman, often looked after her sister and her husband's son. When her nephew came to the house, she Ke'ai as if he were her own son. However, contrary to Hana's feelings, her nephew was interested in Hana's soft and large breasts, and he began to have lustful feelings for her. When the nephew had the chance, he touched Hana's breasts. And his desire gradually escalated...