1girl, arms_behind_back, bare_shoulders, blush, breasts, brown_hair, cleavage, collarbone, dress, forehead, hat, idolmaster, idolmaster_cinderella_girls, kahiika, kusakabe_wakaba, looking_at_viewer, medium_breasts, parted_bangs, red_dress, red_headwear, santa_costume, santa_hat, smile, solo, speech_bubble, strapless, strapless_dress, thick_eyebrows, wavy_hair