2girls, bare_shoulders, black_pantyhose, blush, box, brown_hair, christmas, dated, dress, english_text, gift, happy_birthday, hat, holding, holding_box, hug, hug_from_behind, idolmaster, idolmaster_shiny_colors, kurageso, long_hair, multiple_girls, open_mouth, osaki_amana, osaki_tenka, pantyhose, red_dress, red_headwear, santa_costume, santa_hat, siblings, sisters, smile, snowflakes, yellow_eyes