The protagonist performs chores for the married couple, Saint Karina and Hero Phil. One day, while constantly lusting after the Saint's voluptuous body, the couple is tricked by a wicked merchant and incurs a huge debt. The protagonist, seizing this "noble" opportunity, offers to take over their debt. Covertly, he demands Karina's body for a certain period as repayment. Though she agonizes, Karina accepts for her husband's sake, and the protagonist mercilessly defiles her! Hiding from her husband, the hero, he enjoys daily sessions of tit-fucking, cumming inside her, and xx affair sex, gradually corrupting Saint Karina both mentally and physically.