>>723814889
Spoilers;
Her and MC are immortal ayy lmaos who studied the collapse of civilizations across space, only to realize there's a secind group of extra-dimensional ayy lmaos who are causing the collapses, maybe accidentally. It was then considered that every civilization, influenced by the ayys or not, would eventually collapse and vanish from history.
MC and Priestess thus started on a method to transfer, catalogue, and compile information into a permanent medium; Originium, a crystalline mineral that could essentially transfer all information it absorbed to a stasis dimension where it could exist forever, like freezing something in amber. This is where the divorce happened; MC viewed Originium as a way to preserve and pass along information between civilizations forever. Priestess viewed it as the only way to escape the Ayy Lmaos, by way of putting all existence into stasis. Priestess sabotaged the project and cause Originium to go haywire, becoming a useful but cancerous material that gives people super-cancer as it 'transfers' them (or rather their information) to the stasis dimension.
The cat is MC's pet rock who became a catgirl to wander and watch over the planet while he kept himself in regular stasis, at least until the Jews started killing each other and the cat had to wake him up. Bitch ex wife hates it because MC loves the cat more than her.