Masterpiece,high quality,最high quality,Ultra-high resolution

masterpiece,high quality,最high quality,Ultra-high resolution,15-year-old boy,short hair,Brown Hair,Brown eyes,topless,Completely naked,barefoot,Shonen Focus,whole body,Only the boy sits with his legs apart,Boy shows off his erect penis,Outdoor,A deserted park at night,Three men in full clothes are standing around the boy, surrounding him.,The angle of the three men's shots shows only their legs.,Boy's hands behind his head,Sweat,Moderate muscle,Embarrassed expression,R-18