1girl, d, bikini, blush, braid, braided_ponytail, breasts, brown_hair, christmas, gloves, hat, idolmaster, idolmaster_cinderella_girls, large_breasts, long_hair, looking_at_viewer, navel, open_mouth, red_bikini, red_eyes, red_gloves, red_headwear, red_thighhighs, santa_hat, senkawa_chihiro, side-tie_bikini_bottom, simple_background, smile, solo, swimsuit, thighhighs, tomajiyama, white_background