udon (memai no kabe), kisaragi chihaya, idolmaster, idolmaster (classic), translated, 1girl, :d, blue hair, blunt ends, boots, brown eyes, deformed, detached sleeves, dress, full body, fur-trimmed dress, fur-trimmed headwear, fur trim, hat, holy night dress (idolmaster), knee boots, long hair, looking to the side, official alternate costume, open mouth, outstretched arms, red dress, red hat, red sleeves, santa costume, santa hat, simple background, smile, solo, standing, turning head, walking, white background, white boots