1girl, absurdres, ball, bare_shoulders, beachball, bikini, black_hair, blush, breasts, brown_eyes, cleavage, cloud, cloudy_sky, collarbone, cowboy_shot, day, dot_nose, forehead, frilled_bikini, frills, front-tie_bikini_top, front-tie_top, grin, hair_between_eyes, hair_over_shoulder, hand_on_own_head, hand_up, highres, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, long_hair, looking_at_viewer, medium_breasts, mountainous_horizon, ocean, outdoors, shuucream_(syuichi), side-tie_bikini_bottom, sidelocks, sky, smile, solo, striped_bikini, striped_clothes, sunlight, swimsuit, takayama_sayoko, wavy_hair