A black and white photo of a man with a book

(A high resolution,Best quality,Realistic),Boy studying in classroom，15year old，(Portrait,Character) 's (shoun:1.1),(Side view:1.1),Portrait in (Classic charcoal style:1.2) with (Fine, detailedshadows:1.1),The image is (Exceptional quality:1.2), with (清晰's线条:1.1) and (Subtle tones:1.1) Create an (true to life:1.37) . the lighting is subdued， (Natural:1.1), Emphasize the contours of his face，adding depth to the overall composition.This artwork captures the beauty and grace of teenagers,

(worst quality, low quality:1.4),