1girl, aketa_mikoto, arm_up, bikini, black_bikini, blue_eyes, blue_sky, blush, breasts, cleavage, cloud, day, hair_between_eyes, hand_on_own_hip, idolmaster, idolmaster_shiny_colors, medium_breasts, navel, ocean, outdoors, parted_lips, shading_eyes, short_hair, sky, solo, standing, stomach, summer, swimsuit, underboob, wading, water_drop, wet, yuro_(7_yuro)