At this academy, the girls are subordinate to the boys. They have no choice but to accept their duty as human sex toys for the guys. Our heroine enters this academy because she doesn't think it's all that hard to be a cumdump... She thought wrong.
Your tall, and voluptuous childhood friend pins you down, and has her way with you. No matter how much you try to wriggle free or try to escape, she captures you again, and keeps drowning you in pleasure.
Kuragano is a plain girl that's always studied at the same school as me. Truth be told, we have a secret relationship where she lets me fondle her breasts. While I may not be her boyfriend or anything, I don't want her to be taken by anyone...
Miyano is a mean girl that makes me do all of her work, but... as "reward" for doing so... she lets me touch her titties! She's always making fun of me... so I don't understand what kind of game she's playing...?
In a world where sexual intercourse has become obligatory under the law, a sex instructor is enjoying life to the fullest having his way with pure maidens under the guise of "guidance."