(masterpiece, best quality, highres, photorealistic), 18-year-old European girl named Yuna Sato, petite but hypercurvy, extremely wide hips, ultra-slim waist, large soft natural breasts with pink erect nipples, pale glowing skin with a subtle oil sheen, long pastel-pink hair styled in thick twin tails with satin ribbons, glossy blue eyes, parted glossy lips in a dazed, overwhelmed expression, lying on her back on a frilly pink bed surrounded by plush toys and LED lights, wearing remnants of magical girl cosplay, frilly choker, detached sleeves, pink thigh-high stockings with bows, short ruffled skirt bunched under her back, upper body fully nude, both legs folded tightly up over her shoulders, feet near her head, her hips lifted and tilted toward the viewer, both hands pulling her buttocks apart to fully expose her, (anal gaping:1.3), (extremely stretched rim forming a wide, trembling ring:1.3), (deep pink anal tunnel fully visible under direct light:1.2), skin stretched pale around the anus, glutes flexed under tension, inner walls slick and glistening, ring pulsing and unable to close, fluids slowly trailing from the gape, deep shadowed folds around her hips, hyperrealistic anatomy and soft lighting across skin and folds, <lora:add-detail-xl:.8>, <lora:MaybeBetterFaceInFullBodyLora_XL_rev3:1>, <lora:bombshell_v2:2>, <lora:Microwaist_XL_v01:1.2>