[PSTL-027]

Mahiru Sakura: Sato-san's Creampie

As a personal trainer, I run a private studio at a fitness gym, gaining repeat clients by offering special sex training in addition to regular workouts. Today’s client, Satou, wants to tighten her waistline. She has breasts close to an I-cup, hips over 90cm, and a soft, voluptuous, sexy figure. I immediately have her change into tight, see-through rental workout gear, then begin stretching, gradually increasing body contact. Sweat begins to seep into the crotch of her tight pants as I press close during flexibility exercises, lightly touching her big tits—making my advances seem like a natural part of training. "Ah, um…", she gasps. "Spread your legs and stretch this area," I instruct, pressing my hard cock against her back while touching her inner thighs, increasing her tension. "Next, we’ll train your chest." On her knees, she does push-ups while sweat pours from her ass. I touch her breasts as I guide her form. "Um, your hand is on my…", she stammers. "I’m just checking your muscle condition." We continue with squats, wearing down her resistance while I grope her thighs and ass. From behind, I press my hard cock into her ass crack, building the erotic tension naturally through training. She can only do four sit-ups before collapsing, and I pull her forward so her face presses against my throbbing hard-on. "Um, this is…", she protests. "This is muscle too. Let me check it." I reach into her tight pants to squeeze her ass, then into her bra to fondle her breasts—advancing smoothly within the training routine. "Um, this is kind of embarrassing…" "I’ll massage you to prevent soreness." I forcefully remove her bra, kneading her large breasts with both hands, stimulating her nipples, escalating the eroticism under the guise of training. "Ah, ah, isn’t this weird?" "It’s just cool-down." While massaging her tits, I loosen her pussy muscles too, making my moves seem natural. "Nnn…", she moans. "Now I’ll loosen your ass." I make her stick out her butt, pull off her tight pants, and massage her ass cheeks while working her pussy. "Sensei, you can’t do that… Nnn!" I remove her panties, grope her tits, give her a handjob, then lift her soft body to suck her nipples—all part of the training flow. "Let’s massage from the inside." I finger her pussy, then go down on her with intense cunnilingus, building the eroticism steadily. "Ah, ahh, I can’t…", she cries, her abs twitching as she orgasms—just another training effect. "Looks like your abs are working." I pull out my fully erect bare cock, guiding her hands for abdominal training, escalating the eroticism. "Let’s train your arms too," I say, making her jerk me off while on her knees—advancing naturally. "Now we’ll train your mouth." I make her take my big cock deep, giving her a blowjob while pushing her head down to hit her throat. "Now, let’s strengthen your lower body." I take her doggy-style, thrusting hard into her pussy. "Ah, sensei, no…", she pleads, but I keep pounding, flipping her over to face her as I thrust upward. "Aaaah, I’m cumming, I’m cumming!" I sit on a chair and take her from behind, thrusting from below while stimulating her enlarged clit—advancing seamlessly through training. Side position, I violently thrust into her pussy from the side, then pummel her with rapid strokes before cumming deep inside her. "Wait… Huh?" "I’ve injected my protein into you."