1girl, blue_archive, blue_buruma, blue_sky, blush, bottle, breasts, buruma, crop_top, day, drinking, from_side, gym_uniform, hand_on_own_hip, holding, holding_bottle, id_card, jacket, jacket_partially_removed, lanyard, looking_to_the_side, navel, official_alternate_costume, outdoors, partially_unzipped, ponytail, purple_eyes, purple_hair, running_track, shade, sky, small_breasts, solo, sports_drink, sportswear, stadium, star_(symbol), sticker_on_face, stomach, sweat, thighs, toned, track_jacket, yerim, yuuka_(blue_archive), yuuka_(track)_(blue_archive)