Sakimi and her husband visit the unscrupulous back-alley physician Dr. Hikomaro for a fertility check-up, where the doctor uses the examination as a pretext for sexual misconduct. Despite a violent clash between the doctor and her husband, Hikomaro later sneaks into Sakimi's home to seduce her, leaving her conflicted by her own desires. The episode ends with a surprising twist as her husband encourages her to schedule another appointment with the deviant doctor.
After a provocative encounter between Ma-kun, Sakimi, and the Doctor, Sakimi is targeted by local thugs, leading to a dramatic rescue by the Doctor. However, the victory is short-lived as the Doctor discovers a shocking secret: his bride-to-be, Yukina, is already married and entangled in her husband's dangerous debts.