On sidewalks in front of train stations, inside moving vehicles, and in forested tourist areas, intense training and exposure scenes unfold one after another. Ayu, newly appointed president of a wine import company, becomes entangled in an affair with her subordinate Murata and her superior, Department Chief Inoue. Seizing this secret, they blackmail her and plot to turn her into their sex slave. Throughout this journey, Ayu undergoes rigorous training that awakens her submissive desires. She eventually opens her mouth to take Murata's cock while Inoue watches, surrendering herself completely to exquisite pleasure.