A beautiful bride named Yuihana has married into a family where her husband owes money to his father-in-law. As part of the deal, she agrees to live together with him under one condition—that he helps them pay off their debts by taking care of all household expenses. Little does she know that her new father-in-law has been lusting after her ever since they moved in together. Unable to resist his advances any longer, Yuihana becomes his sexual plaything day after day. Despite being married, she finds herself craving more of her father-in-law's passionate lovemaking while her husband watches on helplessly.