1girl black_shirt blue_archive blurry blurry_foreground blush breasts buruma depth_of_field emphasis_lines foreshortening gym_uniform halo highres looking_at_viewer medium_breasts motion_blur motion_lines ochiaki official_alternate_costume open_mouth ponytail purple_hair reaching_towards_viewer running shirt short_sleeves simple_background solo speed_lines sticker_on_face sweatdrop white_background yuuka_(blue_archive) yuuka_(gym_uniform)_(blue_archive)