1girl, arms_at_sides, bare_legs, bare_shoulders, barefoot, blonde_hair, blue_one-piece_swimsuit, breasts, city_lights, closed_mouth, collarbone, competition_school_swimsuit, dark_background, flashlight, forehead, green_eyes, half-closed_eyes, houwashiteiru, kicking, kofune_ushio, large_breasts, long_hair, mountainous_horizon, night, ocean, one-piece_swimsuit, parted_bangs, school_swimsuit, shore, silhouette, smile, solo, splashing, summertime_render, swimsuit, wading, water