ruri (ruri ), yamada anna, boku no kokoro no yabai yatsu, commentary request, 1girl, black choker, black socks, blue skirt, breasts, brown eyes, brown hair, button gap, choker, collarbone, desk, grin, holding, holding sock, holding unworn clothes, large breasts, long hair, looking at viewer, on desk, pleated skirt, school desk, school uniform, shirt, shirt tucked in, simple background, single sock, sitting, skirt, smile, socks, solo, unworn socks, white background, white shirt