After the mother's death, the Nagisa family became a single-parent family with only one child. Her father worked hard for her cute daughter, and Mitsuki, her daughter, grew up bright and energetic looking at her father's back, but she has a hard time with her father who is working hard for her. Before Temitsuki knew it, he had feelings for them that were more than that of parent and child. She comforted herself by masturbating every day to suppress her feelings, but one day when her father started talking about remarriage, she realized that Mitsuki, who usually doesn't say selfish things, was in her life. Unable to suppress her pent-up desires, she finally goes out of control! !