Tama Hitotsubashi

As the beloved pet of Yurie, this feline companion undergoes a strange transformation following the arrival of Bin-chan. After Yurie begins sharing her physical form with the entity, the cat starts displaying unsettlingly human-like behaviors. These peculiar personality shifts and newfound intelligence create a sense of unease, ultimately fueling Shoukichi's growing suspicions regarding the true nature of what is happening within the household.