Mami was spending happy days with her beloved husband, Eiji. Meanwhile, Eiji's older brother, Shunichi, had taken over the family inn after his mother's death half a year ago. Worried about his brother, Mami and Eiji visited the family inn, but it was temporarily closed due to a lack of staff. Mami, feeling sympathy for Shunichi living alone and lonely at the inn, couldn't fully resist his advances and ended up having a relationship with him. Struggling, she became immersed in Shunichi's passionate love...