Working as a personal trainer at a fitness gym, I prioritize building relationships with clients and increasing repeat visits by offering special services. Today’s client is a plump, big-breasted woman who came in for a trial session. She expressed her desire to gain muscle and lose weight, so we began training to fulfill her goal. After changing into rented workout gear, her tight, sheer spandex outfit accentuated the deep cleavage of her large breasts and the visible outline of her panties, enhancing her erotic appeal. Starting with light stretching to make her sweat, I assessed her core stiffness, then wore her down with squats and jump rope, gradually taking away her physical control. Lying her on an abdominal machine, I began training while "supporting" her—ruthlessly groping and massaging her big breasts. She gradually reacted, her breathing becoming ragged as she started moaning. During flexibility exercises, I pressed against her from behind to stretch her back muscles, massaging her arms and large breasts until sweat poured from her entire body. Laying her on the mat, I massaged her thighs while sliding fingers into her pussy, drawing out strong reactions. Reaching under the spandex, I fondled her breasts and stimulated her. She gasped, "You're really squeezing hard…" but I reassured her, "To prevent soreness tomorrow, let's loosen you up bare," then removed her sports bra and began kneading her bare breasts, stimulating her nipples. To intensify her response, I used my mouth to pleasure them. Her reactions grew stronger as she cried out, "Aaaaaaah!" Next, I moved to loosen her lower body—removing her spandex, rubbing her pussy, fingering her to elicit moans. I thoroughly massaged her ass, pulled off her panties, and licked her wet slit. Her body twitched and quivered as she began to feel pleasure. Then came blowjob training: standing firm, I made her take my bare cock into her mouth, moving in rhythm with counts, thrusting deep into her throat. I thrust my hips into her slippery mouth. Dripping saliva, I pressed my wet cock against her breasts for titfuck instruction. To improve lubrication, I spat on them and made her look up. While kissing her deeply, I violently moved my cock between her squeezed breasts. Pushing into more intense training, she responded, "Yes, please!" Laying her on the mat, I entered her from behind in missionary, thrusting hard. After three years without cock, her pussy drooled and clamped down tightly. I pounded her relentlessly with deep kisses, making her large breasts jiggle wildly as she writhed. Sitting her on a chair, I took her from behind, making her grind her hips—sweat bursting from her body. Pulling her arms back, I slammed into her from a standing rear position. "Ah! Ah! Ah! I'm cumming!" she screamed. I kept thrusting hard into her pussy as she came in monkey style. Returning to the mat, I had her straddle me in cowgirl position, spreading her legs in a wide M-shape to ride my cock. Pulling her body close, I sucked and groped her big breasts while violently thrusting upward from below. "Miss Yoshida, how's our training treating you?" I asked. "I-It's amazing! Aaaah!" she moaned in response. Keeping her on her back in missionary, I pulled her hands like reins and pounded her deeply, climaxing with a bare creampie inside her. Yoshida left the gym having booked another month of "vaginal training" sessions.