Mirei has been married for four years. She continues fertility treatment, but she is not blessed with her child, and she repeats obligatory SEX with her husband. One day her brother who came to stay at her house suddenly tries to commit Mirei. Her ferocious desire for her brother-in-law awakens and accepts the dry Mirei woman. Her brother-in-law starts training Mirei aiming for her daytime when her brother is not around. Forced blowjob by her father-in-law who witnessed the situation. At the end of the vaginal cum shot training by her father-in-law and her brother-in-law, Mirei becomes pregnant.
