muuko, hatsune miku, luca truelywaath, ar tonelico, ar tonelico ii, gust, vocaloid, bad id, bad pixiv id, highres, 2girls, blue hair, brown eyes, cosplay, costume switch, detached sleeves, footwear ribbon, green eyes, green hair, hatsune miku (cosplay), long hair, luca truelywaath (cosplay), midriff, multiple girls, necktie, ponytail, short hair, thighhighs, twintails, very long hair, zettai ryouiki