For Yui, daily masturbation had become more than just a habit—it was now an emotional crutch. Struggling with bodily changes and a lack of confidence, she decided to join a fitness gym in hopes of reclaiming her former self. In truth, her real motivation was to grow closer to the handsome male trainer. His guidance began with suggestive exercises that carried a sexual undertone, gradually evolving into private lessons. From dildo squats and stretch blowjobs to bareback insertion squats, the new experiences shared between them began to stir her emotions deeply.