Fresh and cute new female assistant director Higashibata Sarina joins an adult video production company! Despite her earnest personality, she's also curious about anything naughty, and her uncontrollable sexual desires begin to overflow as she encounters the adult toys she finds herself surrounded by and the acts taking place on set. Tobata is so sexually promiscuous that she even secretly masturbates in the office, and as she continues working as an assistant director, she begins to think that perhaps acting might be a better fit for her. Encouraged by a senior assistant director, Tobata finally decides to make her AV debut, and while she's hesitant in front of the camera, she gradually becomes addicted to the pleasure. As the line between work and sex becomes increasingly blurred, where will she go?