Cover of Triple Threat: A Trainer's Temptation

Triple Threat: A Trainer's Temptation

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Take place in Uma Musume world: Narita Brian and Biwa Hayahide are best friend and have trained with their trainer(give him a name) for 4 years, they both have sexual desire for their trainer that the other aware of and trainer also knows that. During a photoshoot, when Brian and Hayahide change to their swimsuit, trainer accidentally compliment their body as sexy and their breasts as big, which turned both Hayahide and Brian on, they then present trainer with erotic pose in their swimsuit until both of them get so aroused that they beg trainer to fingered them, he then complies and start to finger both Hayahide and Brian from behind.

Chapter 8: Brian's back arches violently as Hayahide's tongue fucks her clit while taking Tatsuya's cock balls-deep in her ass - their primal moans echoing through the apartment as they push each other to new heights of depravity, their retired racing days forgotten in favor of this new, carnal competition.

The three bodies remained tangled in the damp sheets for a long while, a mess of limbs and cooling sweat. Tatsuya’s heart still hammered against his ribs, a frantic drumbeat slowly settling into a heavy, exhausted rhythm. Brian’s weight was a solid, comforting pressure on his chest, her breathing deep and even. Hayahide’s fingers traced idle patterns on his arm.

It was Brian who broke the silence, her voice rough with sleep and satisfaction. “I’m sticky.”

Hayahide giggled, a light, musical sound that contrasted with the raw carnality of minutes before. “We all are. I feel like I’ve run a track meet in a swamp.”

“Shower,” Brian stated, not as a question but as a decree. She pushed herself up, her powerful physique glistening in the morning light. She didn’t bother with modesty, striding naked toward the bathroom with an athlete’s purpose.

Tatsuya watched her go, then felt Hayahide’s lips brush his shoulder. “Come on,” she whispered, her voice tender. “She’ll use all the hot water.”

The shower was a cacophony of steam and sliding bodies. It was less about getting clean and more about a different kind of exploration—soap-slick hands gliding over muscle, warm water cascading over shoulders and breasts, lazy kisses under the spray. It was intimate, possessive, and strangely domestic.

Afterward, wrapped in towels, they migrated to the living room. The space was bathed in a soft, golden afternoon light, highlighting the dust on the trophies and the worn fabric of the couch. Hayahide rummaged in a bag she’d brought over, pulling out two small, vibrant bundles.

“I almost forgot,” she said, her eyes sparkling. “I bought these for us. A little celebration.”

They were swimsuits. Brian held hers up—a dark, functional racing one-piece. Hayahide’s was a elegant burgundy two-piece. They changed with an unselfconscious ease that still made Tatsuya’s breath catch. The fabric hugged their forms, accentuating the powerful lines of Brian’s legs and the graceful curve of Hayahide’s hips.

Brian stood by the large window, looking out at the city, her stoic mask back in place, but Tatsuya could see the tension in her shoulders, a different kind than before a race. It was a waiting. Hayahide, meanwhile, stretched languidly on the rug, the pose deliberately highlighting her body.

“You know,” Hayahide began, her voice a purr, “I was thinking about this morning. How loud you were, Brian.”

Brian didn’t turn, but her back straightened slightly. “You weren’t quiet either.”

“No, I wasn’t.” Hayahide’s gaze slid to Tatsuya, who was sitting on the edge of the couch, watching them, his throat dry. “But I was thinking about the view. From behind.” She rolled onto her stomach, looking at Brian’s backside, clad in the tight black swimsuit. “It’s a very compelling view.”

In a movement almost too fast to follow, Hayahide was on her feet. She crossed the room and before Brian could react, Hayahide placed her hands on Brian’s hips and pushed her forward, bending her over the back of the worn couch.

“Hey—!” Brian’s protest was cut short as Hayahide’s hands gripped the fabric of her swimsuit at the hips and yanked it down, exposing her bare skin to the warm air.

“Shhh,” Hayahide murmured, her voice dropping to a husky whisper. “Just wanted another taste. You were so delicious this morning.”

She dropped to her knees behind Brian, and without any further preamble, buried her face between Brian’s spread legs.

Brian gasped, her hands slapping against the couch’s backrest, fingers digging into the fabric. A low, guttural moan was torn from her throat as Hayahide’s tongue delved deep, licking and probing with a desperate hunger that was entirely at odds with her usual elegance. Hayahide’s arms wrapped around Brian’s thighs, holding her in place, her mouth a wet, devouring heat.

Tatsuya was hard again, painfully so. The sight of the fiercely independent Brian being mastered by her friend, her body jolting with each flick of Hayahide’s tongue, was more potent than any fantasy. He watched, captivated, as Hayahide feasted, her own body writhing with need, a dark patch of arousal spreading on the burgundy fabric between her legs.

“Fuck… Haya…” Brian choked out, her head thrown back, her neck corded with strain.

Hayahide pulled back, breathless, her chin glistening. She looked directly at Tatsuya, her eyes dark with lust. “Don’t just watch,” she panted. “She can take more. We both can.”

That was all the invitation he needed. He moved, his own towel falling away. He approached Hayahide from behind as she returned to her frantic work on Brian. He didn't hesitate. He guided his cock, thick and eager, not to her pussy, but lower, to the tight, clenched rosebud of her ass.

Hayahide froze for a second at the new pressure, then let out a muffled scream into Brian’s folds, her body pushing back against him in clear invitation. He spat into his hand, slicking himself, and then, with a firm, steady pressure, he pushed into the incredible, violating tightness.

Her scream was swallowed by Brian’s body. She convulsed around him, her internal muscles clenching rhythmically as he plunged deep into her ass. The force of his thrusts drove her face harder into Brian, who in turn cried out, her own climax triggered by the violent, chain-reaction of pleasure.

It was a lewd, perfectly connected circuit. Tatsuya fucked Hayahide’s ass with hard, punishing strokes, each one smacking their flesh together. Each thrust forced Hayahide’s tongue and mouth deeper against Brian’s clit and cunt. Brian’s cries were constant, a raw, uninterrupted stream of ecstasy as she was eaten out while being used as an anchor for Hayahide’s own violation.

The room filled with the sounds of their union: the wet, messy sounds of Hayahide’s mouth on Brian, the slick, sharp sounds of Tatsuya driving into Hayahide’s tight rear, the ragged gasps and choked obscenities. The worn couch absorbed it all, the fabric growing damp from their collective sweat and juices.

Tatsuya felt his control shatter. He gripped Hayahide’s hips, his thrusts becoming erratic, animalistic. “Gonna come,” he grunted, his vision swimming. “Gonna fill this tight ass.”

His orgysm ripped through him, a blinding white-hot surge that left him shuddering, his cum jetting deep inside Hayahide in thick, pulsing ropes. The sensation of him flooding her finally sent Hayahide over the edge. She screamed, a long, ragged sound, as she came against Brian’s face, her body shaking uncontrollably.

The chain broke. Hayahide collapsed forward, spent, her body sliding off Brian and down onto the floor. Brian slowly straightened up, her legs trembling, her face flushed and wet. She turned and looked at the scene: Hayahide panting on the rug, Tatsuya swaying on his feet, both of them utterly spent.

A slow, deeply satisfied smile spread across Brian’s face. She reached down and touched her own wetness, then brought her fingers to her lips. “One month,” she repeated, her voice hoarse but filled with a terrifying, possessive joy. She looked from Hayahide to Tatsuya. “This is just the beginning.”

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