The second NTR drama in which a woman is made to climax so many times that she arches her back while being unable to make a sound, with the help of a chiropractor's hidden techniques and her boyfriend beside her! Himari, who has been working hard at short distance running at university, hurts her neck one day before a competition and is taken by her boyfriend to a chiropractic clinic where the famous Kito sensei works. Kito is so skilled that he can identify Himari's affected area and symptoms just by looking at her, and she immediately begins to receive treatment from him, but gradually things start to develop into sexual harassment...