1girl, azuumori, beach, black_sailor_collar, black_shirt, blue_hair, blue_sky, cloud, day, eye_trail, fins, fish_tail, from_behind, giant, giant_monster, holding, holding_water_gun, letterboxed, light_trail, mako_(azuumori), ocean, one-piece_swimsuit, original, outdoors, sailor_collar, shark_tail, shirt, short_hair, sky, solo, standing, swimsuit, tail, water_gun, white_one-piece_swimsuit