Sanae is an attractive and young married woman who attracts attention wherever she goes. Her captivating beauty, combined with her warm and kind nature, makes her a coveted figure in the eyes of many. However, after four years of marriage, her husband is dealing with feelings of insecurity. In an attempt to ignite a deeper level of desire for his wife, he entrusts a friend, inviting him to partake in a unique sexual encounter with Sanae, while he watches. This unconventional act is intended to awaken a new and intense longing for his beloved wife.