Dirty by the Dozen

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.
(Source: AniDB)

Episode List (2)

Male Protagonist 60% Teacher 60% Bondage 60% LGBTQ+ Themes 40% Yuri 40% Anal Sex 40% Nakadashi 40%