1girl, arms_behind_back, ass, black_shirt, blue_archive, blue_buruma, blue_eyes, blue_hair, blue_jacket, blurry, blush, bottle, breasts, buruma, closed_mouth, covered_nipples, cowboy_shot, dark_blue_hair, from_behind, gym_uniform, hair_intakes, jacket, jacket_partially_removed, long_hair, looking_at_viewer, looking_back, nape, official_alternate_costume, outdoors, parted_bangs, shirt, sportswear, star_(symbol), star_sticker, sticker, sticker_on_face, thigh_gap, track_and_field, track_jacket, uiri-na, very_long_hair, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)