A husband with an overly perfect physical compatibility and a burdensome child, engaging in three days and three nights of accidental sex with a convenient woman. (Shiraki Yuko, VENX-198)

A mother and son, bound by an inviolable relationship, eagerly awaited the day the father would leave home on a business trip. Their first time was a mere accident, and they thought it would be a one-time mistake. However, their bodies were unexpectedly perfectly in sync, leading to a period where the perfect sexual partner was right in front of them, yet they couldn't make a move. They longed to confirm their feelings and, in the three days leading up to the father's return, wanted to greedily savor the ultimate pleasure. Both carried the tools they had bought for this day, making thorough preparations, and finally, they began their "ultimate incestuous daze."