masterpiece, best quality, highres, 1girl, blonde hair, long hair, twintails, flustered, panicked expression, blushing, open mouth, sailor uniform, grey sweater, blue skirt, sitting at desk, dynamic pose, dropping pencil case, scattering colored pencils, falling pencils, trying to catch them, in a classroom, school, female teacher in a brown suit walking in the aisle, other students, blackboard, window, sunlight, sunbeams, wind, hair blowing in the wind, curtains blowing, dynamic scene, detailed background, anime style, watercolor (medium), cinematic lighting.