((nai3_style_for_flux)), A hyper-realistic 8K portrait of a boy and a girl, both wearing alternate costumes with black hair and black eyes, set against a vibrant blue sky in a circular, hypertredimensional landscape featuring superhero rubber duckies in a pond. The girl has a sheep hood up, her grey eyes and grey hair visible through the gap, and she's smiling at the viewer with a light blush on her cheeks. Both are dressed in cowboy attire with belts, boots, and vests, and the girl is holding reins while riding a horseback, her side braids flowing. The boy is looking back at the girl with a closed mouth, his v-shaped eyebrows and muscular build contrasting with her delicate features., realistic, 4k, 8K, key visual, vibrant