A man in a white shirt sitting down in a room

titles: Professional portrait in photorealistic classroom explanation: Images in 8K resolution、Must have extremely photorealistic quality。What is captured is、Young man of Asian descent、Expresses his upper body and up head-on。He wears a black suit and a white shirt.、Smiling confidently at the camera。His skin texture、Clothing fibers、Each strand of hair is finely captured.、Natural light evenly illuminates his face and clothes。Classroom in the background、chalk board、Teach Zhuo、Although it includes a chair、Depth of field narrows the focus on him.、The background is slightly blurred。Light is soft、Shadows are natural、Realistic contrast and color gradients are embodied。His eyes and skin are especially realistic.、Fine light reflections are observed in the eyes。The overall shade is natural and、Without overemphasizing any element、Keeping Harmony。