matsunaga kouyou, original, absurdres, commentary request, highres, 1girl, black buruma, black hair, black sailor collar, blurry, blurry background, blush, brown eyes, buruma, ceiling, chalkboard, classroom, closed mouth, looking at viewer, neckerchief, panties, red neckerchief, sailor collar, school uniform, self wedgie, serafuku, shirt, short hair, short sleeves, simple background, solo, standing, underwear, wedgie, white background, white panties, white shirt