"It was about a year ago that I first performed a fertility test and found out that my husband was the cause ..." I started fertility treatment at the hospital, but it is hopeless that there is almost no possibility of becoming pregnant even if I continue treatment. The reality was also struck. Rin still wants a loved one's child. I desperately continued to explore the possibility of pregnancy, hoping to see that person's happy face. As a last resort, she chose to ask her husband's younger brother, who has a blood connection, to act as a seeder.
