Gcup busty part-time job clerk who works close to you makes her AV debut secretly to her engaged boyfriend Chisato Nagai

The movie revolves around Yui, a part-time job clerk who secretly makes her AV debut without informing her engaged boyfriend, Chisato Nagai. As the story unfolds, it becomes clear that Yui's decision to enter the adult film industry is a hidden aspect of her life, separate from her relationship with Chisato. The central dramatic tension lies in the potential consequences of Yui's secret being exposed, which could jeopardize her relationship and personal life.