After the death of his mother, the Yokomiya family became a father-son family with one parent and one child. The father worked tirelessly for his daughter, and his daughter Nanami was quiet at school and at home, but she was growing up seriously, but Nanami secretly had feelings for her father that were more than parent and child. - She comforted herself by masturbating every day to suppress such feelings, but one day when her father cut out the story of remarriage, the desire that had accumulated in the pool finally exploded!