A schoolgirl's training takes a decisive step forward! She thought it was just another paid date, but as she gradually complies with the man's demands, she begins to immerse herself in pleasure. Along the way, she starts to feel excitement from being restrained, revealing her submissive side. Convinced of her nature, the man uses rope to strip away her freedom and begins thorough BDSM training. As a result, Kurumi's expression fills with bliss and satisfaction, and she begins to willingly accept the discipline.