Miu Narumi desperately wants a child, but her husband suffers from erectile dysfunction and cannot satisfy her sexually. One day, while secretly enjoying a remote-controlled vibrator, a delivery arrives unexpectedly. Amused, her husband sends her to receive the package, only to become aroused upon witnessing her lewd state. Feeling resentful and frustrated, Miu Narumi takes matters into her own hands and ends up seducing the delivery man, leading to a passionate affair.