In front of my beloved husband...

His wife, Ryoko, is suffering after learning that she is unable to have children. Even at night with her husband, she was trying to be careful. One day, Ryoko's older brother, Takaaki, appears in front of her, and Takeuchi, the villain who has been chasing Takaaki, appears in front of her. Ryoko is raped in place of her brother's debt. The forbidden relationship between brother and sister gradually becomes clear. The complex intertwining of human relationships causes Ryoko even more trouble. At the end of the day, I see my older brother's cock in front of my husband...