The protagonist of the hentai is an ordinary Japanese teacher Kuroda, who got a job in a private girls' academy "Felinus Academy for Girls" as a physical education teacher and Lacrosse coach. However, on his first day he got into an awkward situation when he wanted to gain the respect of the girls and entered their locker room without knocking. The girls of course were shocked and surprised at the same time. This is where the sexual adventures of Kuroda-sensei and a host of beautiful and lustful high school girls begin.