1girl, aga_marino, ahoge, arm_up, armpits, bad_twitter_id, blonde_hair, blue_eyes, blue_one-piece_swimsuit, blurry, blurry_background, breasts, closed_mouth, collarbone, competition_swimsuit, covered_navel, cowboy_shot, hachimiya_meguru, highleg, highleg_swimsuit, idolmaster, idolmaster_shiny_colors, indoors, large_breasts, long_hair, looking_at_viewer, one-piece_swimsuit, pool, poolside, smile, solo, swimsuit, water