Prompt

A handsome masculine man as a Xiaohongshu fitness influencer in candid iPhone selfie energy, standing fully clothed near white wall and gray door instead of seated. He wears a partially unzipped black leather jacket over a white collared shirt and matching black leather pants, featuring thick thighs and broad shoulders under the fabric. A black Batman-style cowl mask covers his head with an eye slit; face is neutral with mouth slightly open. Right hand holds smartphone in front of chest for mirror selfie capture while left rests on hip. Trendy vertical social-feed look with soft ambient lighting casting monochrome shadows, full body shot from thighs up to head centered in frame., a single uninterrupted photograph only, no written words or typography anywhere in frame, no captions, no app UI, no social-media post layout, no screenshot borders