Nurse Reona Tomiyasu is resting at home due to influenza. The hospital director from her workplace visits her residence, claiming to conduct a medical examination. Having long desired her, the director uses this opportunity to force intimate acts under the guise of treatment. Reona offers no resistance to his advances, gradually succumbing to his seductive techniques. Drawn in by the warmth of his hands and the intense pleasure he awakens in her body, she is led into a forbidden affair. Each step deeper into this illicit relationship slowly captivates her heart.