1girl, blue_one-piece_swimsuit, breasts, brown_eyes, brown_hair, collarbone, competition_swimsuit, gen_(enji), idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, jacket, large_breasts, long_hair, long_sleeves, nitta_minami, one-piece_swimsuit, open_clothes, open_jacket, parted_lips, solo, swimsuit, track_jacket