If the people at work find out, it's all over. "No one knows the real me." Matsuno Ran

The movie revolves around Matsuno Ran, who appears to lead a happy married life but feels unfulfilled and lonely due to her husband's lack of attention. She starts to explore her desires and sexuality, which leads to a series of erotic encounters with a coworker, Shota Jun. The central tension arises from the risk of their affair being exposed at the workplace, threatening Matsuno's reputation and relationships. As the story unfolds, Matsuno becomes increasingly entangled in a web of desire, secrecy, and potential consequences.