matsunaga kouyou, original, 1girl, barefoot, bed, bedroom, black dress, black hair, black socks, blush, brown eyes, dress, green panties, holding, holding sock, holding unworn clothes, leg up, long hair, long sleeves, looking at viewer, neckerchief, on bed, panties, purple neckerchief, school uniform, shirt, sitting, sleeveless, sleeveless dress, smile, socks, underwear, undressing, unworn socks, white shirt, window, window blinds