Stunning multiracial woman with expressive freckles, modeling an elegant yet casual athleisure outfit in a bustling cityscape, full-body character illustration, emphasizing costume design, intricate and detailed, featuring a symmetrical face and physique, with a single expressive face. The artwork should showcase cinematic color grading akin to an editorial photo style, emphasizing fashion, executed in hyperrealism. Rendered in a style reminiscent of Guweiz's work, it should be eye-catching and trending on art platforms, incorporating VFX and advanced post-processing. Utilize octane render techniques, aiming for an 8k quality.