Makoto-chan, who has an H-cup and a perfect tan line, started living with her mother, who remarried, and her stepfather as a family of three. However, her mother soon died, leaving her to live with her stepfather alone. In the midst of this awkward life, she is raped by her stepfather. From there, her stepfather's abuse escalates. One day, her stepfather brings a friend and forces her to drink alcohol...
