1girl, ass, bent_over, black_footwear, black_shirt, blue_archive, blue_buruma, blue_eyes, blue_jacket, bottle, buruma, dated, from_behind, full_body, halo, jacket, long_hair, looking_at_viewer, myeolchi, official_alternate_costume, plastic_bottle, ponytail, purple_hair, shirt, shoes, simple_background, sneakers, solo, star_sticker, sticker_on_face, sweat, thighs, track_jacket, water_bottle, white_background, yuuka_(blue_archive), yuuka_(track)_(blue_archive)