r-type nirvana, souryuu (double dragon), 2k-tan, microsoft windows, os-tan, windows 2000, windows classic, 1girl, black thighhighs, blue eyes, blue hair, bob cut, bow, bowtie, breasts, cable, center opening, cleavage, computer keyboard, computer mouse, dress, female focus, glasses, hairband, looking at viewer, maid, maid headdress, matching hair/eyes, mecha musume, medium breasts, midriff, navel, no bra, oekaki, revealing clothes, short hair, sideboob, smile, solo, standing, thighhighs, usb