1boy, 1girl, bath, between_legs, black_hair, blonde_hair, blush, breasts, bright_pupils, cleavage, completely_nude, faucet, hair_between_eyes, kamijou_touma, knees_to_chest, large_breasts, long_hair, mixed-sex_bathing, nude, petals, petals_on_liquid, shared_bathing, shokuhou_misaki, sparkling_eyes, star-shaped_pupils, star_(symbol), steam, symbol-shaped_pupils, toaru_kagaku_no_mental_out, toaru_kagaku_no_railgun, toaru_majutsu_no_index, twitter_username, very_long_hair, yellow_eyes, yellow_pupils, zai-senpai