It was an unexpected confession from her husband... She found out that her husband was the cause of their infertility. She was also faced with the desperate reality that there was almost no chance of getting pregnant even if she continued infertility treatment. Aika still wanted a child with the person she loved. She desperately continued to explore the possibility of pregnancy, wanting to see the face of the person she loved. The last resort she chose was to ask her husband's real brother, who was related by blood, to act as a sperm donor.
