Sybian（太腿拘束付き）

Reference trigger words →「1girl, solo, black hair,sweat, large breasts, erect nipples,straddling sybian, sitting straddled on sybian, vaginal penetration, pink dildo penetrating pussy, mounted dildo, sex machine,seiza-like position, folded legs bondage, frog tie variant, thighs tightly strapped to calves, leather belts tightly binding thighs and calves together, thick black leather straps wrapped multiple times around thighs and shins, leather cuffs strapping upper thighs directly to lower legs, knees forced to bend sharply, knees pressed extremely close,feet firmly on the base, soles completely touching the sybian platform, toes spread and touching the surface, heels resting on the machine base, feet flat against the bottom surface, legs low and grounded, no gap under the feet, feet not lifted (1.4), barefoot,black leather body harness, straps over breasts, arms restrained behind back,sci-fi dungeon, green metal walls, pipes, glowing display showing numbers,masterpiece, best quality, ultra detailed, nsfw, erotic, shiny wet skin, sweat, fluids,Barefoot, no shoes」 Reference negative words →「floating feet, feet in air, lifted legs, soles not touching, unbalanced pose, spread legs, wide stance, straight legs, unbound legs, loose straps, deformed feet, extra limbs,frog tie」 (You can also get a rear view by attaching the back view to your head)