Anzuko Domyoji is a recurring antagonist who relentlessly pursues cats to add to her personal collection. Her primary target is Taruto, whom she seeks after Iori Monaka, Taruto's owner and the object of Anzuko's romantic interest, refuses to give the cat to her. Iori remains unaware of her persistent efforts to capture Taruto. Anzuko employs aggressive chases whenever she spots a desired cat, primarily using a net. Her pursuits involve cutting through private lawns, damaging belongings, and physically pushing people aside to reach her target. Her fixation extends beyond Taruto to other cats like the wild Nougat. Physically, she is a female human character with brown hair extending past her hips and red eyes. Her apparent age ranges from adolescent to adult, indicated by her developed physique; she possesses no animal features like ears or a tail. Her role remains consistently focused on comedic antagonism through her relentless cat-collecting pursuits.