1girl, alternate costume, black footwear, black sailor collar, black serafuku, black skirt, blonde hair, blush, closed mouth, collarbone, dragon horns, dragon tail, full body, horns, kneehighs, long sleeves, neckerchief, pleated skirt, red eyes, sailor collar, school uniform, serafuku, shoes, short hair, skirt, smile, socks, solo, spiked horns, tail, white neckerchief, white socks, yellow horns