Koichi has succeeded in developing a super-realistic mannequin, a major project that puts the company's future at risk, but he is faced with a problem when the prototype does not arrive the day before the presentation. It's all hopeless... Just when he is about to give up, his wife Kaoru makes an unexpected suggestion. "I'll be the mannequin." For the sake of her beloved husband, Kaoru decides to step in and do her best. And on the day of the presentation, when the mannequin disguised as Kaoru is revealed, there are cries of amazement, but... His true identity is discovered by Kato, a colleague of Koichi's who knew Kaoru. Kato comes up with a wicked plan and looks at Kaoru with a lewd smile, as if licking her all over...