Since the mother passed away, the Yokomiya household became a single-parent family with just a father and daughter. The father worked tirelessly for his daughter's sake, and the daughter, Nanase, was quiet but grew up diligently both at school and at home. However, Nanase secretly harbored feelings for her father that went beyond those of a parent-child relationship. She would suppress these feelings by masturbating every day to comfort herself, but one day when her father brought up the topic of remarriage, her pent-up desires finally exploded！！
