An epidemic originated from a pharmaceutical company's lab.
The infected person becomes a captive of sexual desire and attacks the opposite sex, and the attacked partner is also infected.
The incident of the pharmaceutical company where the estrus virus originated has been several years and has been forgotten by the world.
Middle-aged physical education teacher Tahara was asked to do something by a mysterious man.
I want three women to use the power of the virus to sleep with a man...
And manage the estrus virus handed over to them as a teacher.
However, Tahara's wish did not stop there, he let the virus infect the entire school.
All the students were infected, and the students and teachers scrambled to have sex everywhere in the teaching building.
Tahara trains the infected female student with his thick cock.
Mid-Night Anime