3boys, 3girls, against_glass, air_bubble, aquarium, belly, blue_eyes, bubble, extra_faces, eyeball, fish, from_behind, gills, hand_mouth, hand_on_glass, hayapi_(sinsin08051), horror_(theme), looking_through_window, monster, multiple_boys, multiple_girls, navel, original, scenery, seaweed, size_difference, stanchion, standing, teeth, tile_floor, tiles, underwater, very_wide_shot