breathtaking Two people, Cortana and Master Chief both spraying illegally a cute smiley face graffiti at a wall in a colorful cyberpunk city, graffiti, holding graffiti sprayers, spraying graffiti, vandalism, reimagined in a cyberpunk universe, cyberpunk cityscape, cyberpunk, cyberpunk style, glowing neon lights, detailed background, masterpiece, best quality, high quality, absurdres, vivid . award-winning, professional, highly detailed