Unusually these days, the Kitajima family and the Yamaguchi family had a custom of getting their children engaged. However, Nanako, the daughter of the Kitajima family, had no way of knowing that her partner was still small. Although Nanako is puzzled, she can't refuse her future husband who approaches her innocently, and she reaches the first night too early. There is no doubt that Nanako Kitajima's gentle expression and glamorous body will accelerate her excitement!
