2girls, adjusting_hair, alternate_costume, alternate_hairstyle, armpits, black_pantyhose, blush, breasts, dress, fur-trimmed_headwear, fur-trimmed_shirt, fur-trimmed_skirt, fur_trim, green_eyes, green_hair, hand_in_own_hair, hat, holding, holding_hair, idolmaster, idolmaster_shiny_colors, large_breasts, light_smile, long_hair, looking_at_another, multiple_girls, nanakusa_hazuki, nanakusa_nichika, pantyhose, red_shirt, red_skirt, santa_costume, santa_hat, shirt, siblings, simple_background, sisters, skirt, sleeveless, sleeveless_shirt, solo_focus, steam, surprised, uouokuma, very_long_hair, wavy_hair, white_background, wide-eyed