College film of young girl teasing and then being violently penetrated by an older man, a teacher

This explicit video features a young college girl walking around seductively and then being ravaged by an instructor in class. A suggestion is made as to how the girl is easily willing to do as her instructor wanted despite the later seemingly parading the girl for his own sadistic pleasures. He begins speaking to her gently, then, when she is stimulated, it develops into having sex.