Rainstorm Apocalypse: My Black-Stocking Sister Can Shrink Anything

Looking for Urban Fantasy with Wild Ideas!!!

Looking for something like After My Inner Thoughts Were Exposed, the CEO Blocks My Door Every Day. No traditional live-in son-in-law or military king tropes. I want a fresh premise, like being reborn with a System or two people saving each other. Lots of satisfying moments, but with sound logic. The protagonist shouldn't be a self-sacrificing saint, and the supporting cast shouldn't be stupid. Preferably a hundred...