1girl, ass, black_hoodie, brown_hair, bush, from_behind, full_body, hibike!_euphonium, hood, hoodie, kneepits, legs, looking_at_viewer, looking_back, medium_hair, no_pants, open_mouth, oumae_kumiko, outdoors, panties, railing, sbel02, shoes, sleeves_past_wrists, socks, solo, stairs, thighs, underwear, white_panties, white_socks, yellow_eyes