A couple visits a hospital for a check-up. Dr. Sato, an erotic doctor with a huge cock, presses his stethoscope against the breasts of the married woman, who shyly lifts her shirt, while plotting a lewd strategy. "I'll be staying overnight for an observation admission," the wife tells her husband. Unfortunately, only beds in the general ward are available, so she reluctantly closes the curtain to change into her hospital gown. However, the other patients in the ward stare at her intently. Late at night, when everything is quiet, a mysterious figure approaches the wife's bed...
