1girl, ass, ass_grab, bare_shoulders, blue_archive, blue_background, blue_jacket, blue_sky, blush, cowboy_shot, from_behind, grabbing_own_ass, gym_uniform, halo, hands_on_own_ass, jacket, long_hair, looking_at_viewer, looking_back, off_shoulder, official_alternate_costume, ponytail, purple_eyes, purple_hair, shirt, short_sleeves, simple_background, sky, solo, tiara_(871220), track_jacket, v-shaped_eyebrows, yuuka_(blue_archive), yuuka_(track)_(blue_archive)