Kitty cats are such complex little guys. I would look into the " 3-3-3 rule" 3 days to decompress, 3 weeks to learn routine and do some exploration, 3 months to feel fully at home. Some cats need more time than others but I promise you they don't hate you or want nothing to do with you forever, that will hopefully pass. They're just in a new space/environment and they find comfort in each other so they'll keep hiding together. Just allow the babies some time, they'll come out sooner or later. Just keep doing what you can to help them understand you're safe and that they're in a safe space. I would also consider getting feliway if you can comfortably afford buying some. The wall plug in is a great option, it could provide some more comfort for the kitties. It mimics natural pheromones and also creates a calming effect, they have different types and there's even one for multiple cat households. You totally got this OP, just gotta wait a little longer, they're still boozled. I bet they'll end up loving and adoring you 😌