Upon enrollment at Morimori Academy, a boarding school for boys nestled in the mountains, Takashi Toono was unsure of what to expect. Being a mid-year transfer, he found himself feeling like an outcast until Kyousuke Yaguchi, a gregarious student, took him under his wing. Complying with the school's mandatory club policy, Toono chose to join the "Photography Club." However, the seemingly harmless organization, also known as the "Yarichin Bitch Club," was actually a group of boys offering sexual favors to their classmates. Toono was mandated to fulfill his monthly sex quota, and repercussions were severe if he failed. As Toono navigated the unsettling reality of his club membership, Yaguchi and fellow transfer student Yuu Kashima provided him with unwavering support. Nevertheless, the entire club faced challenges such as hidden secrets, stalkers, and the intricate ramifications of their actions.