ultra-realistic korean male model, early 20s but youthful, athletic slim face, jet-black straight hair with soft fringe, clean smooth skin, gentle smile, soft masculine jawline wearing tight fitted long-sleeve dark shirt showing muscular arms and chest definition mirror selfie in modern gym, chrome equipment and dumbbells visible, gym lighting reflections aesthetic composition, influencer gym style, slightly tilted head, confident but soft aura realistic shadows, crisp detail on fabric texture, subtle body pump look, natural proportions premium lens look, high resolution, cinematic clarity, Korean aesthetics, stylish workout vibe
