Nanase Haruka views her classmate Nozaki as a repulsive otaku, but a bold attempt to blackmail him leads to a shocking discovery about his physical attributes. After an unexpected encounter, Haruka finds herself addicted to the intense pleasure Nozaki provides, far surpassing the intimacy she shares with her boyfriend, Ryousuke. Torn between her public disdain and her private cravings, she begins a secret, instinct-driven affair within the school walls.
Nanase continues to maintain a facade of disgust toward the otaku Nozaki while secretly craving his physical presence. After a week of unsatisfying intimacy with her boyfriend, Ryousuke, she invites Nozaki to her room the moment he returns. Overwhelmed by her physical addiction, Nanase finds herself completely dominated by Nozaki's intensity, realizing that she cannot resist his overpowering allure.