1girl, ahoge, short black hair, brown eyes, school uniform, sailor collar, grey skirt, white socks, knee-high boots, holding a stack of textbooks, shy smile, blush, standing, school hallway, lockers, soft lighting, depth of field, SXZ Niji Render [ Style for Luma ]

lowres, worst quality, low quality, bad anatomy, bad hands, text, error, missing fingers, extra digits, fewer digits, cropped, jpeg artifacts, signature, watermark, username, blurry