1girl, animal, aquarium, arms_behind_back, ass, backless_dress, backless_outfit, bare_arms, blush, breasts, closed_mouth, dress, earrings, escalator, fish, from_behind, heart, heart_earrings, indoors, jewelry, kimishima_ao, large_breasts, long_hair, looking_at_viewer, looking_back, nail_polish, original, pink_nails, red_eyes, red_hair, shirayuri_riko, sleeveless, sleeveless_dress, solo, very_long_hair, water, white_dress