电影《青春期的妹妹》由李相洙执导，李熙、多摩西、徐源和李秀等主演。这是一部韩国大尺度的青春长片，讲述了一位小说作者将自己在舅舅家度过的青春期隐秘经历改编成小说的故事

故事中，男主角在高中时期寄住在舅舅家，家中有一个性感的舅母和年龄相仿的表妹。舅母与舅舅之间的性生活并不和谐，而男主对性事非常感兴趣，渐渐地与舅母发生了关系。之后，男主开始追求舅母的爱，但舅母开始意识到这段关系的不妥，试图制止。与此同时，男主和表妹之间产生了一种特殊的情感。

《青春期的妹妹》通过展现禁忌关系和成长之间的边界，探索了青春期的困惑和成长过程中的探索与挑战。影片深入探讨了性与情感之间的复杂关系，以及家庭和社会压力对于个体成长的影响。

这部电影引发观众对于禁忌、道德和个人成长的思考。它揭示了人性的复杂性和情感的多样性，引发观众对于青春期成长中的矛盾和探索的共鸣。《青春期的妹妹》将观众带入一个迷茫与挣扎的情感世界，引发观众对于爱与禁忌之间边界的思考和反思。

这部电影并非仅仅是一部揭示禁忌关系的故事，它更是对于人性和成长的深刻思考。通过展现主人公的内心探索和成长历程，影片引发观众对于道德、性与情感的复杂关系的思考。《青春期的妹妹》将引领观众进入一个关于禁忌、成长和爱的探索之旅，引发观众对于自我和社会的理解与思考。

The movie "Adolescent Sister" is directed by Lee Sang-soo, starring Lee Hee, Domoses, Seo Won and Lee Soo. This is a large-scale youth feature film in Korea, which tells the story of a novelist who adapts his secret experience of adolescence spent at his uncle's house into a novel

In the story, the hero lives in his uncle's house during high school, where there is a sexy aunt and a cousin of the same age. The sex life between aunt and uncle is not harmonious, and the hero is very interested in sex, and gradually has a relationship with his aunt. Afterwards, the male protagonist began to pursue his aunt's love, but the aunt began to realize that this relationship was inappropriate and tried to stop it. At the same time, a special emotion developed between the hero and his cousin.

Adolescent Sister explores the confusion of adolescence and the explorations of growing up by showing the boundary between forbidden relationships and growing up with challenges. The film delves into the complex relationship between sex and emotion, and the impact of family and social pressures on individual growth.

The film prompts audiences to think about taboos, morality, and personal growth. It reveals the complexity of human nature and the diversity of emotions, and arouses the audience's sympathy for the contradictions and explorations in adolescent growth. "Adolescent Sister" brings the audience into an emotional world of confusion and struggle, triggering the audience's thinking and reflection on the boundary between love and taboo.

This movie is not just a story about forbidden relationships, it is a deep thinking about humanity and growth. By showing the protagonist's inner exploration and growth process, the film triggers the audience to think about the complex relationship between morality, sex and emotion. "Adolescent Sister" will lead the audience into a journey of exploration about taboos, growth and love, triggering the audience's understanding and thinking about self and society.