Mami lived a peaceful family life with her husband Eiji, but ever since his older brother Shunichi lost their mother, he had been forced to live alone after taking over the family inn. Worried about Shunichi’s situation, Mami and Eiji visited the inn, only to find it temporarily closed due to lack of staff. Seeing Shunichi living alone and looking so lonely, Mami’s heart ached—and before long, she found herself succumbing to his advances. Though she had always been careful and reserved in front of her beloved husband, she became increasingly entangled in Shunichi’s passionate feelings. Torn with guilt, Mami couldn’t resist being drawn deeper into his fiery desire…