1girl, ass, black_shirt, blue_archive, blue_sky, blush, bottle, buruma, cloud, halo, holding, holding_bottle, jacket, jacket_partially_removed, looking_at_viewer, official_alternate_costume, outdoors, purple_eyes, purple_hair, shirt, sideways_glance, sky, solo, star_sticker, sticker_on_face, sweatdrop, track_jacket, water_bottle, white_towel, yuuka_(blue_archive), yuuka_(track)_(blue_archive), ziuuun