For Shiori, who had just become an aesthetician, her senior Jun invited her to a three-night-four-day newbie training session. She was supposed to peel off one layer as an aesthetician under the guidance of her kind senior at a remote training facility... However, what awaited Shiori was Jun's lesbian training aimed at her G-cup breasts. 'To become top-tier, you must understand both a woman's heart and body.' From that day on, Jun's terrifying lesbian techniques were hammered into Shiori's body, and changes began to occur in her body...
