Bringing her boyfriend home to visit as well as introduce herself to her sister, the younger sister did not expect this to be a wrong decision on her part. The older sister constantly "watched" her younger sister's masculine, stylish boyfriend. It seemed like she was "infatuated" with the young man. The Lustful Sister is very good in both content and character. In particular, at the end of the film, there is a particularly frustrating scene for the actress in the role of the "younger sister". We invite you to follow along.