Despite being tormented with a vibrator by the doctor she adores, Nurse Yuna, a sex slave who never gets to be fucked, finds herself growing increasingly aroused by the teasing. Unable to resist, she begins masturbating inside the hospital and ends up being taken by the chief physician and patients. Finally given the chance to be penetrated after endless torment, she cums harder than ever before. Yuna, who repeatedly engages in lewd acts throughout the hospital due to prolonged teasing, truly has a shamelessly horny personality!