8k, masterpiece, delicate illustration, flat color, beautiful eyes, depth of field, clean and beautiful classroom background, best lighting, detailed illustration, very delicate rendering, surreal, natural and not excessive glamour, waist-length long hair, beautiful warm grey hair color, voluminous and clean hair, natural bangs covering the eyes, natural expression and composition, beautiful dark green beautiful eyes, mature atmosphere, blue ribbon, white shirt, school uniform, 8k, masterpiece, delicate illustration, flat color, beautiful eyes, depth of field
