12 women teachers / Juuni-nin no Onna Kyoushi

The depraved director of the institute and his nephews have fun with twelve female teachers right in the institute itself. They turned them into hot sex slaves, but the learning process was difficult, because teachers must also perform their direct duty. However, as soon as classes end, every corner of the educational institution becomes a field of depraved training...

 Added Russian subtitles by Reddog

Added voiceover by Anistar