I married a man with a child from a previous marriage. My relationship with my stepson, Yuichi, was good, and we lived peacefully. However, our efforts to conceive were not going well, and I felt a secret sense of dissatisfaction... Then my husband was sent on a long-term business trip, and we started living together. Around that time, I began to feel a strange sense of discomfort as he gradually grew closer to me. But I couldn't stop it and just went along with it...