The Tsukizuki family became a single-parent household after the mother passed away. The father worked tirelessly for his one and only daughter, and Hikaru grew up earnestly watching her father's back. However, Hikaru had developed feelings for her father that went beyond those of a parent and child. She would suppress these feelings by masturbating every day to comfort herself. But on the night her father brought up the topic of remarriage, Hikaru's pent-up desires, which she usually didn't express, finally spiraled out of control！！
