Kazuma is the heir of the Shinno clan, which dominates the adult entertainment sector. Yet the business now yields little profit, so patriarch Shino orders his son to enroll in a specialized official workshop for skill development. During the course, he must refrain from climaxing before any of the female performers; failure would strip him of his succession rights. The alluring Japanese geishas present a formidable challenge, testing his restraint to the very end. Will he successfully complete the program?