1girl, aketa_mikoto, bikini, bikini_under_clothes, black_bikini, blush, breasts, brown_hair, cleavage, gradient_hair, idolmaster, idolmaster_shiny_colors, kirou_(kiruyuu1210), large_breasts, multicolored_hair, no_panties, pool, poolside, shirt, solo, swimsuit, wet, wet_clothes, wet_shirt, white_shirt