The school doctor has learned to hypnotize people with smoke. And of course started using it for their own purposes. The first was a cute schoolgirl who came to him to talk. Then came to him her friend, well, at the end he has already arranged a mass Orgy involving 3 girlfriends and guys from different circles.
In subsequent episodes, he continues to mesmerize students and their mothers...the teacher also fell under the distribution. It all comes down to a huge orgies involving all students, teachers and mothers.
