2girls, armpits, bell, bikini, blush, breasts, brown_eyes, brown_hair, christmas, christmas_tree, grin, hat, heart, hug, hug_from_behind, long_hair, looking_at_another, medium_hair, misaka_mikoto, multiple_girls, navel, open_mouth, santa_hat, shirai_kuroko, side-tie_bikini_bottom, skindentation, small_breasts, smile, spoken_heart, swimsuit, toaru_kagaku_no_railgun, toaru_majutsu_no_index, window, yonabe, yuri