2girls, all_fours, animal_ears, bikini, black_leotard, black_thighhighs, blue_eyes, blue_hair, box, breasts, christmas, christmas_ornaments, christmas_tree, cleavage, fishnet_thighhighs, fishnets, garter_straps, gift, gift_box, gridman_universe, hair_between_eyes, hand_on_another's_leg, hat, indoors, large_breasts, leotard, long_hair, loup, medium_breasts, merry_christmas, multiple_girls, parted_lips, pink_hair, purple_bikini, purple_headwear, rabbit_ears, red_eyes, red_scrunchie, santa_hat, scrunchie, shinjou_akane, short_hair, ssss.gridman, strapless, strapless_leotard, swimsuit, takarada_rikka, thigh_grab, thighhighs