The popular series of Sexual Harassment Massage NTR is back! Shiori, who is dedicated to beach volleyball at university, injures her back during a crucial practice session right before a big tournament. Accompanied by her boyfriend who is also nursing a back injury, they visit a renowned chiropractic clinic. However, they are astonished by Therapist Ikeda's uncanny ability to pinpoint her injury and symptoms. As they continue with the treatment, it gradually escalates into sexually suggestive acts... While her boyfriend is right beside her, she finds herself surrendering to unknown pleasures and climaxing repeatedly!