Rei Aoki, the married department chief, invites her subordinate, Kaede, over to her house for drinks in order to cheer him up, secretly hoping to enjoy a flirtatious atmosphere. That night, Kaede becomes captivated by the sexy appearance of Chief Aoki's wife, Rei. Under the influence of alcohol, he approaches her while the chief sleeps nearby. When the chief wakes up, Kaede panics and flees. However, the incident leaves a deep impression on him, prompting him to visit the Aoki residence again the next day. He moves on Rei once more. Though she resists at first, mounting stress and pent-up desire eventually cause her to surrender into Kaede's arms, awakening new emotions within her.