I must say, the developers are a Genius on regard in combining kink with blue humor/comedy. And the references and pun doesnt fall short. Truly Genius.
I wish there was an open world-roam on school grounds/buildings in full 3D environment. But in the end game is still a visual novel so can't complain. Although sometimes the voice lines can be off.
The only thing I cannot stand, how ever... is the headmaster's hypocrisy. And how things are written on him for it. That is my only critique.