LORE DUMP TIMEEE (this is probably gonna be pretty long lel. also just something to clarify: Animalians are feral anthros, meaning they are quadruped, while Humalians are humanoid anthros, meaning they are basically furries)
so there's a bunch of random gods
one of these gods is Adonis, this foresty wolf-moose creature who helped Geona (Goddess of Geology) create the earth and is also the creator of life.
now after he had created earth, Adonis wanted to do some experiments, but he didn't want to destroy the carefully crafted ecosystem he had created on earth. so, he created a new planet to put his wacky creations. this planet was later Animalia.
unfortunately, Adonis (and generally all of the deities) are master procrastinators, so by the time Adonis actually started to experiment with Animalia, humans were already very advanced. he gave Animalia this strange, magical aura that would mutate animals that lived there for his experiments.
before he could even begin experimenting, humans noticed Animalia, and saw that it was completely habitable. they sent some animals there to test if it was habitable, and the animals survived and were affected by Adonis's magic mutation aura thing, so that's why there's so many unique mutated animals on Animalia.
Galaxy cats were not originally from Animalia. when an astronaut's cat on a spaceship flew out of the ship and touched a magical meteor, the cat was transformed into a galaxy cat.
ink foxes were created during an Animalian "war". Canines started killing many felines in order to prove their superiority. Multiple groups of normal foxes were all genetically mutated into ink foxes to aid in the war. Ink foxes are completely immortal and can simply reform if you try to kill them. almost all ink foxes are now trapped in other dimensions.
Humalia was another testing planet created by Adonis (that still somehow hasn't been noticed by humans, even though it's pretty close to Animalia). Humalia is home to a societly of humanoid anthro animals (basically just furries/scalies) that have a society similar to humans. Unlike Animalia, Humalia considers itself a country and has a government, currency, cities, etc.
Humalia has a monarchy, a long line of dogs with basic names. The last king of Humalia, King Maxwell VII, wanted to get rid of all uniqueness. he executed hybrids and people with mutations, forcing them into hiding until we has stopped.
all i got for now