Modern ultrarealism, full-body shot taken from below, stylish character in oversized gray techwear-style sweatshirt and cargo pants, white t-shirt underneath, chunky black and white sneakers, white knee-high socks, crouching, one knee raised, one hand touching wet asphalt, the other arm resting on the knee, confident smile, leaning against a weathered concrete wall, large and vibrant graffiti "COR" with the inscription "MARCIO" dripping down the wall behind the character, additional splashes of abstract black graffiti, wet asphalt floor with realistic reflections, intense daylight, strong directional sunlight coming from the upper left corner, high-contrast shadows, detailed fabric texture, clean digital art, soft shading, urban fashion aesthetic, high level of detail, 8k, Octane rendering look