다음 중:I live a happy life with my beloved wife Hinako, but I have a serious flaw. We, a couple who dreamed of having children, were faced with the impossible. I confessed to my brother the pain of not being able to ejaculate. Then, my brother whispered with a fearless look on his face: Do you know what hatching an egg is? My only option was to hold on to my brother who had the same blood type as me, so I decided to leave Hinako to him for a day. However, although he only asked her once, the two touched again and again...