1girl ahoge ball bangs beachball blue_eyes blue_sky breasts cleavage cloud cloudy_sky covered_navel earrings highres holding holding_ball holding_beachball honkai_(series) honkai_impact_3rd jewelry kiana_kaslana kiana_kaslana_(herrscher_of_flamescion) long_hair looking_at_viewer one-piece_swimsuit outdoors ponytail sky solo swimsuit tongue tongue_out tsuume very_long_hair wading water white_hair white_one-piece_swimsuit