1girl :o bare_arms bare_shoulders beach bikini bikini_under_clothes blue_archive blue_hair blue_sky chise_(blue_archive) chise_(swimsuit)_(blue_archive) cloud cloudy_sky collarbone commentary_request day flower hair_flower hair_ornament halo highres horizon horns kokone_(coconeeeco) leaning_forward looking_at_viewer navel ocean official_alternate_costume oni oni_horns outdoors parted_lips purple_eyes sailor_collar sand see-through side-tie_bikini_bottom side_ponytail sidelocks sky solo stomach striped striped_bikini swimsuit water white_flower white_sailor_collar