1girl, 3, ai_haruka, bikini, black_bikini, breasts, cowboy_shot, front-tie_bikini_top, front-tie_top, idolmaster, idolmaster_million_live!, jacket, looking_at_viewer, nonohara_akane, purple_jacket, red_eyes, red_hair, short_hair, side-tie_bikini_bottom, small_breasts, smile, solo, standing, swimsuit