An inexperienced, socially awkward couple, surrounded by popular, outgoing girls, are gradually becoming more experienced... Akiho, the boyfriend, and Suzune, the girlfriend, who have never had any experience, have their lives drastically changed when they unexpectedly run into their childhood friend, Sayu, who has become a popular girl. Through the hands of the popular girls, they experience their first time and learn about the crucible of pleasure. Seeing her boyfriend being treated well by the three popular girls, Suzune decides to push Akiho down...!?