young 18 years old girl, (80s style, retro style, retro style image:1.2), (old movie style from the 80s:1.2), athlete girl, big ass, toned muscles, big round inflated ass, (ass focus:1.3), skinny, slender waist, (girl sitting on a gymnastic ball:1.2), (ass hanging off the ball), (girl shows off her butt:1.2), (ass close-up:1.2), (view from below), (girl looking down at the camera over her shoulder:1.2), (aerobics suit in the 80s style, tracksuit in the 80s style, 80's sports bodysuit over leggings, sports 80's style leggings), (long flowing curly blonde hair), (loose hair), (sports headband), (aerobics room), <lora:SDXL_DatAss_v1:.5>