The story portrays an older sister who, after pushing herself too hard as a corporate drone, gradually finds herself drawn toward a more erotic path. Working diligently as a nurse, she becomes aroused by patients' advances and confronts her own limits, vividly depicting the authentic life of a female masochist. The highlight lies in how she faces these harsh realities and grows through them. As the boundary between adult life and eroticism blurs, you'll undoubtedly be captivated by her transformation.