18 year old twink boy, thin body, short black hair, beautiful blue eyes

18 year old twink boy, thin body, short black hair, beautiful blue eyes, beautiful red lips, pink light swim briefs, transparent swim briefs, swimming in indoor pool, rückenschwimmen im wasser, sweet expression, sweating, belly and feet visible, toes touching the sand, (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),HDR,UHD,studio lighting,ultra-fine painting,sharp focus,physically-based rendering,extreme detail description,professional,vivid colors,bokeh,portrait