os9, xp-tan, os-tan, 1girl, alternate costume, ankle garter, bed sheet, black cat, blonde hair, blue eyes, bow, breasts, cat, character name, detached sleeves, dress, female focus, frilled thighhighs, frills, from above, full body, headset, indoors, light smile, long hair, looking at viewer, shade, short dress, sleeves past wrists, small breasts, smile, solo, strap slip, thighhighs, white dress, white thighhighs, zettai ryouiki