1girl artist_name bangs black_one-piece_swimsuit brown_eyes brown_hair collarbone commentary_request competition_swimsuit covered_navel cowboy_shot dated flat_chest hairband highres idolmaster idolmaster_(classic) idolmaster_2 jacket long_hair looking_at_viewer minase_iori one-piece_swimsuit open_mouth outdoors pool solo swept_bangs swimsuit tsuchimiya white_jacket