Her nipples were getting more and more sensitive... she preferred something more intense." Yura was troubled, as her nipples were constantly stimulated during club activities. At the recommendation of her advisor, she visited a chiropractic clinic. Weak-willed and sexually naive, she felt suspicious of the chiropractor's actions, yet gradually became captivated by the ticklish treatment. "I can't take it anymore... my body can't endure this.