1girl, alternate_costume, bare_shoulders, bikini, black_bikini, black_hair, blue_archive, blue_sky, blush, breasts, cleavage, collarbone, dark-skinned_female, dark_skin, eko.art, flower, gun, hair_flower, hair_ornament, karin_(blue_archive), large_breasts, long_hair, looking_at_viewer, navel, ocean, sidelocks, sky, solo, stomach, swimsuit, thighs, very_long_hair, wading, water_gun, weapon, yellow_eyes