Woman locked in completely static position on back, zero head movement, zero body movement, zero facial movement, arms restrained above head with cuffs remaining motionless, legs spread and static, mechanical dildo glowing blue/cyan thrusting rhythmically in and out of pussy with steady piston motion, dildo sliding from base to tip position repeatedly, visible penetration with each thrust, pink lace lingerie static and straining against chest, tongue out drooling steadily in frozen ahegao, tears streaming down frozen cheeks, blush static, neon lights in background pulsing gently, smooth consistent mechanical rhythm no variation, only the machine piston and subtle pussy movement, camera completely locked no panning zooming or shifting, profile angle maintained, 15 second seamless loop with total position lockdown