A sex research circle that exists at a certain university. The only girls' staff is the cuteest in biology department. Every day Seriously active! Her challenge is to apply every stimulus to her male body and to verify it. I will be willing to devote myself to Lolita. Offer the material with the most important part in a super-up. Challenge various transformation positions and consecutive compulsion culmination, touch human's sex instinct with an abnormal aggressive massacre, and reach the abyss of pleasure!