anime screencap, anime coloring, masterpiece, best quality, high quality, detailed eyes, tsuchimi, 1boy, solo, short hair, black hair, brown eyes, school uniform, blazer, jacket, white jacket, open jacket, open clothes, green shirt, shirt, short sleeves, sleeves rolled up, pants, white pants, cowboy shot, sitting at desk, focused thoughtful expression, classroom background, desks and chairs, bright daylight, detailed environment