Runa Tsuki makes the bold decision to take on her first full-scale drama. Living together with her boyfriend, their daily lives are strained by conflicting schedules and growing disagreements. Into this fragile situation steps her former teacher from school days, suddenly proposing a relationship. Overwhelmed by shock, confusion, and long-suppressed emotions, Luna erupts in tears and rage—only to find herself unleashing all that pent-up passion in an intense sexual encounter. This fiery, emotionally charged scene delivers overwhelming intensity that grips the viewer. The story then moves toward its climax, culminating in a tearful, deeply moving epilogue that leaves audiences profoundly touched.