futsuu no hito, 2k-tan, xp-tan, microsoft windows, os-tan, windows 2000, windows classic, bad id, 2girls, all fours, arm support, ass, bad anatomy, bare shoulders, blue eyes, blue skirt, blush, breasts, brown hair, fetal position, glasses, green eyes, green hair, hair intakes, hair ornament, hairclip, head rest, impossible clothes, impossible shirt, large breasts, leotard, logo, long hair, long legs, long sleeves, looking at viewer, lying, maid headdress, matching hair/eyes, miniskirt, multiple girls, one-piece swimsuit, one eye closed, panties, pantyshot, ponytail, puffy sleeves, pun, purple hair, reclining, sailor collar, school uniform, serafuku, shirt, short hair, sidelocks, sitting, skirt, smile, swimsuit, swimsuit under clothes, thighhighs, top-down bottom-up, underwear, white panties, white thighhighs, wink, zettai ryouiki