1girl, o, asymmetrical_bangs, ball, black_background, black_shirt, blue_archive, blue_buruma, blue_eyes, blue_hair, blue_jacket, breasts, buruma, gym_uniform, hair_between_eyes, hand_on_own_thigh, holding, holding_ball, jacket, light_blush, long_hair, looking_at_viewer, medium_breasts, off_shoulder, official_alternate_costume, shirt, short_sleeves, sidelocks, solo, star_sticker, sticker_on_face, sumioo_(sumikko_no_ousama), thighs, track_jacket, transparent_background, yuuka_(blue_archive), yuuka_(track)_(blue_archive)