In the future where a class on fellatio has been added as a countermeasure against the declining birthrate in the country, a high school girl (JK) is diligently training every day, as the skill of fellatio is highly valued. With the motto "He who masters fellatio controls the penis," she practices individually, utilizing her long tongue and thick lips, and other unique characteristics! Sensuality is challenged simultaneously through licking, sucking, and team practices like slow fellatio, high-speed fellatio, deep throat, forked-tongue fellatio—a must-see for fellatio enthusiasts! This is the story of the JKs who are passionate about fellatio!
