Chanyota, who works at a stretch specialty shop [Dr. Hitori Echi] that is popular in the world for its ``unique masturbation techniques that change from the core'', is taught the ``loosening'' technique by a senior trainer, and has excellent sensitivity and blood flow. - It gets better and I'm soaking wet. - After completing her training, Chanyota uses her well-trained body and toys to loosen up the man's hard penis.