A man suddenly appeared while her husband was on a business trip. - It was a man who was also my husband's colleague and who I had also worked with before we got married. - There was talk that they were getting married, but it seems like they will be getting married soon. - However, the co-worker was not at all confident in his night activities and told with a straight face that he wanted to practice using Tsukasa's body. - Of course, Tsukasa refuses with all her might, but when she is touched with a feather and kissed, her expression gradually becomes that of a female.