A beautiful wife, watching her husband shake his rocket-shaped breasts with a strange penis until she climaxes, is a convenient sex toy used as a substitute for repayment. (Miyamoto Rui, EYAN-203)

Rui, a beautiful wife with an outstanding figure, lives a happy life with her well-paid site supervisor husband. However, due to significant delays in his work, the client demands compensation for losses. To protect her desperate husband, Rui offers herself to the client. Having tasted Rui's exquisite body, the client's desire for her intensifies. He flaunts his money in front of her husband and rapes Rui. Thus, the busty wife becomes a sex slave.