1girl absurdres ball beachball bikini black_bikini black_hair blue_sky blurry brown_eyes cloud day depth_of_field ebihurai flower frilled_bikini frills from_below hibiscus highres idolmaster idolmaster_shiny_colors long_hair looking_at_viewer mayuzumi_fuyuko md5_mismatch navel outdoors palm_tree resolution_mismatch sky solo swimsuit tree two_side_up