1girl, animal_ears, ass, back, black_leotard, black_pantyhose, brown_eyes, brown_hair, dated, detached_collar, from_behind, hibike!_euphonium, leotard, nii_manabu, oumae_kumiko, pantyhose, playboy_bunny, rabbit_ears, rabbit_tail, short_hair, shoulder_blades, signature, solo, tail, wavy_hair, wrist_cuffs