1girl, ass, black_hair, black_shirt, black_socks, blue_archive, blue_buruma, blue_eyes, bottle, breasts, buruma, from_behind, gym_uniform, halo, jacket, long_hair, looking_back, no_shoes, off_shoulder, ponytail, shirt, short_sleeves, sitting, smile, socks, solo, star_sticker, sticker_on_face, thighs, track_jacket, ushiki_yoshitaka, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)