1girl, d, bare_arms, bare_shoulders, black_hair, blue_one-piece_swimsuit, blush, borrowed_character, breasts, collarbone, colored_tips, covered_navel, hair_between_eyes, holding, holding_innertube, horizon, innertube, long_bangs, long_hair, looking_at_viewer, multicolored_hair, name_tag, ningen_mame, ocean, one-piece_swimsuit, open_mouth, original, red_eyes, red_hair, red_innertube, school_swimsuit, small_breasts, smile, splashing, swimsuit, twintails, two-tone_hair, wading, water, wet, wing_hair_ornament