Shion's mother remarried Ginji, a company president with some wealth. To celebrate Shion's acceptance into college, the family went on a trip to a hot spring resort. Her stepfather peeks at Shion in the bathroom and sexually harasses her at the banquet. Finally, when her mother isn't looking, Shion is assaulted by her stepfather... "As a father, I have to teach you how to suck dick too," she repeats over and over as she obeys her stepfather's orders. If she can just hold back on having sex, she and her mother can be a happy family... A new series of S1's forbidden immoral drama, incest!