track (lostalone), kagamine len, kagamine len (append), kagamine rin, kagamine rin (append), vocaloid, vocaloid append, 1boy, 1girl, arm warmers, bare shoulders, black thighhighs, blonde hair, brother and sister, detached sleeves, fingerless gloves, gloves, grey eyes, hair ornament, hair ribbon, hairclip, headphones, leg warmers, navel, open mouth, popped collar, ribbon, short hair, shorts, siblings, simple background, smile, thighhighs, twins