Synopsis
[Half price — 330 yen — for the first 28 days from release]
For you, an office worker who goes to a personal gym on the way home from work. Your trainer is 24. After closing, in a fully private room, all you do is lie back.
One round per set, five sets in all — squat cowgirl, grinding, interval edging, reverse cowgirl and close-embrace cowgirl: 5 different cowgirl styles, 5 creampies.
She counts your reps, praises your form and cheers you on. No missionary, no doggy style — cowgirl only.
Three months since you joined. You wanted to do something about the back that desk work keeps wrecking, so twice a week you visit a fully private personal gym by the station. Tonight you have the last slot before closing. At the counseling desk, looking over your body-composition results, Natsuki smiles — “Your body fat’s down. Nice!” — then suddenly lowers her voice.
“By the way… Lately you’ve been watching me in the mirror, haven’t you? Especially during squats.” Busted. But she isn’t angry. “I’ve been pretending to check your form and looking at you plenty, too. So we’re even.” “It’s after closing, so nobody else is coming. …Want to try a special menu?” “A lower-body workout. Except today, I’m the one doing the work, not you.” If you’d rather not, you’ll just stretch and call it a night — you nod, and she asks, “…Really?”
Partner stretching up close on the mat, “breathe in, breathe out” right in your ear. She catches you getting hard, straddles you, and grinds against you through her bike shorts (spats) as a warm-up. She asks once more, “Can I put it in?” — then slowly takes you all the way.
Set one is squat cowgirl. She counts up three rounds of ten, moaning, “…Ten. Cum inside me — all of it.” In set two, the grind, the trainer cums first, and her squeezing tips you over the edge before you’re ready — round two. “Next time, I’ll keep proper control.” Set three is intervals: ten fast sprints, then hold still while she counts to five. Hold back through two edges, and on the third: “Okay, cum. Now.”
After a break with protein and sweat, set four is reverse cowgirl. Showing off the butt she built with squats, she looks back: “Look at me. Cum.” The final set: chest to chest, arms around you, counting down from ten to zero in your ear. “Zero. …Let it all out.” The biggest one comes last.
Counting, praising, cheering you on — a night your personal trainer drains every last drop out of you, riding you five times.
(Japanese voice, full English subtitles — not dubbed.)
Your trainer at a fully private personal gym by the station. A sports-science graduate and certified personal trainer, who has worked at the gym for two years. Black hair in a high ponytail, a light-blue sports bra and black bike shorts (spats). Cheerful, friendly, great at giving praise, and she hates to lose. Proud of the thighs and butt she built with squats. She noticed long ago that you were watching her in the mirror — and she’d been curious about you too. She’s the one who makes the first move, but sex isn’t her strong suit, so her composure slowly crumbles along the way.
You love cowgirl — and want her to do all the moving while you cum inside her again and again
You want a cheerful woman to take the lead and cheer you on while you cum
You want counts and “X more reps” to decide exactly when you cum
You want to hear squat cowgirl, grinding, reverse cowgirl and close-embrace cowgirl
You love works with lots of orgasms in one session
You love spats, sweat and athletic women
Japanese voice + English subtitles (not dubbed). Includes MP4 subtitle videos & .vtt files.
Structure: intro & teasing ~15 min, 5 cowgirl creampies ~49 min (with a break), afterglow ~4 min.
5 creampies (tracks 4-6, 8, 9), each with a new cowgirl style and a new trigger to cum.
Cowgirl only after insertion: no missionary, doggy or oral. No insults, nothing painful or forced.
SFX: cowgirl riding sounds (slow, fast, grinding) and spats rubbing, matched to each scene.
Bonus: text-free main illustration, phone wallpaper, scene illustration set (8 images).
Pseudo-binaural 3D sound (post-processed, not a dummy head). Position changes per track.
Format: WAV (48kHz/16bit/stereo) / MP3 (320kbps). Best with headphones.
Binaural processing: SADIE II database (Univ. of York, Apache License 2.0).
Fiction. All characters are adults (Natsuki is a 24-year-old trainer; you are an office worker).
Some illustrations and sound effects were created with AI.
| Circle | オフパコ検証チーム |
| Tags | Dirty Talk, Jock / Athlete / Sports, Leggings, Femdom, Whispering, Tease, Internal Cumshot, Big Breasts |
| Price | 330 JPY |
| Downloads | 8 |
Editorial Review
Cowgirl-focused adult voice work remains a niche within the personal trainer roleplay category, and this entry commits fully to that constraint with disciplined execution. Rather than padding runtime with variety, the work treats five distinct cowgirl positions—squat, grinding, edging interval, reverse, and close-embrace—as progressive “sets” within a narrative gym session, literalizing the trainer-trainee dynamic. The rep-counting framework (pulling from actual fitness instruction language) creates unusual structure compared to the more ambient, free-form pacing typical of contemporary ASMR-adjacent adult voice.
The appeal hinges on several specific layering choices: the “busted watching” opener establishes power dynamics within an ongoing client relationship rather than cold encounter; the English localization targets non-Japanese audiences directly; and the whispering tag paired with dirty talk suggests intimate volume play rather than pure domination theatrics. The trainer character’s praise-based verbal framing (“nice form,” “good work”) maintains roleplay coherence while serving the praise-kink audience. Big breasts and leggings tags suggest visual focus in accompanying imagery, though voice work quality and trainer voicing tone will ultimately determine whether intimacy or performance dominance registers for listeners.
The five-creampie structure appeals to endurance-focused listeners seeking extended session length without scene-switching fatigue. However, the cowgirl-only restriction eliminates versatility; this works brilliantly for niche preference holders but walls off audiences wanting positional variety or penetration angle diversity.
Listeners specifically drawn to athlete/jock character types who want sustained intimacy roleplay with fitness-adjacent dirty talk—and who don’t require missionary or rear-entry positions—will find precise delivery here. The compressed scope is a feature, not a limitation, for the right listener.
Solid execution of a deliberately narrow appeal: the work knows exactly what it’s selling and commits without compromise.
Official English version available ↓
Get “[ENG Sub] 24yo Gym Trainer Rid” on DLsite
English Version → Free TrialJapanese Original
This Week’s Top Rankings:
Related Tags:
Big Breasts | dirty talk | femdom | Internal Cumshot | Tease

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