Dirty by the Dozen ~ 12 Female Teachers ( Jūninin no Jokyōshi ~ Juuninin no Onna Kyoushi ) - Volume 1

A horny headmaster and his naughty nephews are out to train twelve teachers to be sex slaves. They'll use any scheme in their arsenal to get the hot lady professors to share their carnal knowledge. But even if the women give their bodies over freely, that doesn't mean they'll just take it lying down. The extracurricular activities are nonstop in every nook and cranny of this institute of lustful learning.

Under instruction from the headmaster, two cousins work their way through the female staff in order to train some new slaves for sale.

The secret story behind a normal school in where the director is a sort of sex dealer who trades with the female teachers of the institute via treats and violence executed by his two sons in work and students in that school. Telling the story of each teacher and the way she was blackmailed into that world and the only possible end to it.

Dirty by the Dozen ~ 12 Female Teachers ( Jūninin no Jokyōshi ~ Juuninin no Onna Kyoushi ) - Volume 1