Thanks for the Invite: I'm Stuck in a Horror World as the New Evil God

One minute I'm answering an invite, the next I'm dropped into a nightmare realm where reality itself is unraveling. My system screams at me to evacuate—wrong world, collapsing rules, certain death. But the eldritch horrors here cower at my feet. Then I meet this universe's Unnamable God on a random street corner, and it prostrates itself, tentacles kissing my shoes: "Father God, you've finally come to reclaim us." My system crashes. The throne of a supreme deity is thrust upon me. Survivors see me as their ultimate terror. My former cultist coworkers offer loyalty laced with suspicion. Now I m…