1girl, aketa_mikoto, aqua_eyes, arm_up, beach, bikini, blue_sky, breasts, brown_hair, cleavage, cowboy_shot, day, green_bikini, halterneck, idolmaster, idolmaster_shiny_colors, large_breasts, looking_at_viewer, navel, ocean, open_mouth, outdoors, short_hair, side-tie_bikini_bottom, sky, solo, stomach, string_bikini, swimsuit, thighs, towel, towel_around_neck, wet, yuro_(7_yuro)