1girl absurdres bangs blue_archive blue_buruma blue_jacket blue_shirt bottle breasts buruma closed_mouth halo highres holding holding_bottle jacket logknn long_hair long_sleeves looking_at_viewer medium_breasts open_clothes open_jacket partially_unzipped ponytail purple_eyes purple_hair shirt simple_background solo star_(symbol) white_background yuuka_(blue_archive) yuuka_(gym_uniform)_(blue_archive)