For my beloved husband...I became a mannequin - A story about the beautiful mannequin lady

Koichi succeeded in developing a super realistic mannequin, a major project that poses his company's luck, but he was faced with trouble when the prototype didn't arrive the day before his presentation. It's no good anymore... Just as I was about to give up, my wife Kaoru made an unexpected suggestion. "I'll become a mannequin," Kaoru decided to take it apart for her beloved husband. And on the day of the presentation. When Kaoru's mannequin is shown, he gets amazed at him... Koichi's colleague Kato, whom he met Kaoru, is discovered through his true identity. Kato, who came up with a cleverness, looked at Kaoru with a vulgar smile...