New nurse Aya eagerly begins her duties, full of hope and anticipation for her nursing career, only to be confronted with the harsh reality of the hospital. Her senior nurses enthusiastically perform not only medical treatments but also intimate care for patients' lower bodies, leaving Aya shocked and confused. She soon learns that neglecting such care results in severe punishment from the patients, forcing her into a state of turmoil between fear and pleasure. Amid this, a new training program begins, and she starts walking the path of a nurse.