Yuto, the son, dislikes his mother Yuka's remarriage for he has always lived with her as just the two of them, viewing her as more than just a blood relative. However, after witnessing the interaction between Yuka and her new husband, Yuto is driven by intense jealousy... Deeply pained by her son's longing for love, Yuka, as a mother and a woman, gently guides him towards becoming a mature man. Knowing their relationship is forbidden, yet drowning in a passion that transcends familial bonds, the two of them...