A NTR drama where your favorite boyfriend is by your side and you find yourself in bliss without making a sound due to the technique behind the operator! Karen has back pain while practicing just before the final tennis tournament at university. I couldn't even walk, but when I got to the manipulation clinic that he found in the same department, there was a notorious demonic manipulator who also relied on professional athletes, and I was able to miraculously receive his treatment. However, as the treatment progressed, I gradually touched Karen's crotch...