In a small apartment filled with the quiet tension of unspoken emotions, the relationship between mother, sister, and a mysterious visitor named Shinji-kun begins to unravel. The story starts with a seemingly simple request—come over, since you're free anyway—but it quickly becomes something far more intense. The mother, who has always been a constant presence in the lives of her daughters, now finds herself caught in the middle of a growing rivalry between her eldest daughter, the disciplined and ever-competent older sister, and a boy who seems to have taken an unexpected interest in the family.
The older sister, who has always been the perfect student and the mother’s favorite, begins to feel the pressure of expectations. Her younger sister, Miyu, has always been more carefree, and now, with the mother’s recent hospitalization, the balance of power in the household starts to shift. The introduction of Shinji-kun, a boy who seems to have a way of drawing attention wherever he goes, adds a new layer of complexity to the already strained relationships.
As the story unfolds, the tension between the sisters becomes more apparent. The older sister, who has always lived up to her mother’s expectations, begins to feel the weight of her own perfection. She is both flattered and a little jealous of the attention Shinji-kun gives to Miyu, who seems to be more comfortable with the idea of letting go of the pressure that has always been placed on her.
The emotional arc moves from initial tension and rivalry to a more intimate and passionate exchange. As the lines between sisterly rivalry and romantic connection blur, the older sister finds herself drawn into an unexpected and intense experience that challenges everything she thought she knew about herself and her relationships. The apartment, once a place of comfort and familiarity, becomes the setting for a night of seduction, passion, and emotional release.
As the story reaches its climax, the older sister realizes that sometimes, the best way to break free from the expectations of others is to embrace the unexpected and let herself be fully seen.
