The late afternoon sun beat down on the concrete of the car wash, deserted at this hour. I turned off the engine of our black sedan, my heart pounding with a strange excitement. I had convinced my wife, M, to get out quickly, asking her to put on the most provocative outfit in her wardrobe: a guilty-looking denim miniskirt and a small white cotton top, without a bra. It was our game, our secret. As soon as I saw her get out of the car, I felt a shiver run through me. The warm wind brushed against the tops of her thighs. Her skirt was so short that the slightest sudden movement threatened to reveal the complete absence of underwear. It was deliberate. I loved the thrill of danger, the idea that someone might catch us, or rather, catch her. M walked toward the payment terminal. Her high heels clicked on the damp floor. A few meters away, a man had just entered the adjacent booth. Tall, muscular, with tattooed arms and a dark gaze, he stared at her without the slightest embarrassment. I stayed back a little, savoring the wave of heat that washed over me as I saw this stranger's gaze fall upon my wife. The game was about to begin. She grabbed the high-pressure hose. To insert the parts into the machine, she had to bend over slightly. She knew perfectly well that her miniskirt had stretched to its limit, revealing the perfect curve of her rounded buttocks. Out of the corner of my eye, I saw the man stop abruptly, hose in hand, his gaze fixed on her anatomy. I felt my desire surge. The water gushed out with a loud roar. M began to spray the car's bodywork. The splashes soon reached her. The white cotton of her top, initially opaque, began to cling to her skin as it absorbed water and soapy lather. Within minutes, the fabric became completely transparent, molding to her firm breasts, whose nipples, hardened by the coolness of the water, stood proudly erect through the wet material before my eyes and those of the stranger. The man shifted position for a better view. He leaned against his own car, arms crossed, his gaze burning with desire. Emboldened by this captive audience and my complicit presence, M intensified her movements. She ran a sponge soaked in lather over the hood, arching her back excessively, offering an unobstructed view of her curves. She scrubbed slowly, her hands gliding over the hot metal, provoking the stranger as much as her own husband.Foam was everywhere: on the car, on her bare legs, and between her thighs. Feigning an accident, she turned the nozzle upward, letting a fine mist drench her completely. Her brown hair clung to her neck. She ran a hand over her face to wipe the water, then let it slowly trickle down her neck, over her bare chest, to the hem of her miniskirt. The stranger couldn't resist any longer, and my blood ran cold when I saw him stride purposefully around the partition. The atmosphere was electric, thick with sexual tension. M gave me a furtive look, shining with defiance and submission to our fantasy. "Do you need any help?" “I think I used too much foam… ” the man asked, his voice hoarse, his gaze fixed directly on M’s sheer cleavage. “I think I used too much foam…” she murmured, breathless, looking at me for silent approval. With a simple nod, I gave him the go-ahead, remaining in the shadows of the cabin, a spectator of my own treasure. Without another word, he approached her, so close she could feel the heat of his body. He took the lance from M’s hands and placed it on the floor. His large, rough hands came to rest directly on my wife’s bare hips. The contrast between her burning skin and the cool water cascading over her made her shiver. He gently pushed her against the wet door of our car. I saw M let out a sigh of pleasure as the man’s hands slipped beneath the stiff denim of her miniskirt. His fingers explored her smooth thighs, slowly moving upwards until he discovered ...

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