Xbooru - 1girl animal ears bell bell collar black legwear borrowed character breast expansion breasts brown eyes brown hair collar cow ears cow girl cow horns cow tail ego trigger emphasis lines female gigantic breasts horns huge breasts long hair magister (bigbakunyuu) magister (medical whiskey) mattie (ego trigger) mattie (matsu-sensei) motion blur original pasties popped button shirt skirt solo tail thighhighs zettai ryouiki