1girl ass bangs black_shirt blue_archive blue_buruma bottle breasts buruma cellphone commentary_request gym_uniform halo highres holding holding_bottle holding_phone id_card jacket kiomota lanyard light_blue_jacket long_hair long_sleeves looking_at_viewer medium_breasts partially_unzipped phone ponytail purple_eyes purple_hair shirt short_sleeves simple_background smartphone solo star_(symbol) sticker_on_face t-shirt track_jacket white_background yuuka_(blue_archive) yuuka_(gym_uniform)_(blue_archive)