1girl, animal_ears, binoculars, black_hair, blue_archive, blue_one-piece_swimsuit, blue_sky, bolt_action, bright_pupils, casual_one-piece_swimsuit, chain-link_fence, cloud, collarbone, day, fake_animal_ears, fence, flat_chest, floral_print, frilled_one-piece_swimsuit, frills, gun, long_hair, miyu_(blue_archive), mosin-nagant, ondo_(pixiv33569221), one-piece_swimsuit, outdoors, pool, poolside, rabbit_ears, red_eyes, rifle, sky, sniper_rifle, soaking_feet, solo, strapless_one-piece_swimsuit, swimsuit, thermos, water, weapon, white_pupils