1girl, alternate_costume, arona_(blue_archive), bad_pixiv_id, blue_archive, blue_eyes, blue_hair, choker, colored_inner_hair, eyes_visible_through_hair, hair_over_one_eye, hairband, hat, heart, heart_hands, long_sleeves, looking_at_viewer, multicolored_hair, open_mouth, pink_hair, red_headwear, red_skirt, santa_costume, santa_hat, short_hair, simple_background, skirt, smile, solo, two-tone_hair, usamiusamimii, white_background, white_choker, white_hairband