A pink female genetically modified with the DNA of a puma, perhaps by way of artificial insemination and in vitro fertilisation. She and her mother were the only animal survivors of the lab animal outbreak at the Center, but her mother was eventually hunted down. Bagi's wander ended in becoming Ryo's "pet cat". As soon as Ryo's family recognized that Bagi was "overgrown", she left for nine years and disguised herself as a human girl to find those of her kind, until she met Ryo again.