1girl, ahoge, ass, bare_legs, barefoot, brown_hair, closed_mouth, copyright_name, crossed_ankles, euphonium, feet, hair_between_eyes, hand_on_own_leg, hibike!_euphonium, instrument, legs, legs_up, looking_at_viewer, medium_hair, oumae_kumiko, panties, pleated_skirt, sbel02, school_uniform, serafuku, shirt, short_sleeves, sitting, skirt, soles, solo, toenails, toes, transparent_background, underwear, white_shirt, yellow_eyes, yellow_panties