1girl ass bangs black_footwear black_hair black_shirt blue_archive blue_buruma blue_eyes blush breasts buruma dema_hmw gym_uniform halo highres jacket jacket_removed legs_up long_hair looking_at_viewer lying official_alternate_costume on_back paid_reward_available ponytail purple_hair shirt shoes short_sleeves solo steam steaming_body sweat thighs track_jacket wet yuuka_(blue_archive) yuuka_(gym_uniform)_(blue_archive)