1girl absurdres ahoge arknights bikini black_hair blue_eyes blue_sky blush breasts cloud cloudy_sky cowboy_shot day feather_hair ghosty_(xiaobai) hair_ornament hairclip highres jacket la_pluma_(arknights) la_pluma_(summer_flowers)_(arknights) looking_at_viewer medium_breasts off_shoulder official_alternate_costume open_clothes open_jacket outdoors short_hair side-tie_bikini_bottom sideboob sky solo swimsuit thighlet wading water white_bikini white_jacket