Mädchen mit offenen Lippen

Overview: At the girls' school, the young teacher requests the young women to prepare a lecture on the topic "The Preliminaries", for next week, before the year's end. The girls would contact him if they had any problems with their work. Thus a series of sexual experiments start, which will involve the whole class, and even the teacher.

Status: Released

Release date: June 23, 1972

Countries of origin: Switzerland, Germany,

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