Nonohara Yuzuka is a lonely high school student who secretly broadcasts her masturbation sessions online to cope with her isolation. Her double life is threatened when a classmate discovers her identity and blackmails her into filming a private session in the school's film club. Although she initially agrees to a "no-touch" arrangement, the encounter quickly escalates into an intense sexual experience that leaves Yuzuka craving real intimacy over her toys, binding her to her blackmailer through a new, addictive pleasure.
After her secret stream, Yuzuka meets Hiki-kun to plead for the deletion of a compromising video. Hiki-kun leverages the situation to initiate a sexual encounter, introducing Yuzuka to real intimacy and a sensitivity-enhancing drug. Overwhelmed by the pleasure, Yuzuka realizes that toys are no longer enough and agrees to a secret, ongoing sexual arrangement with him.