Edit: apparently this is a very common form of Japanese storytelling called an isekai. There are 8 billion people in this world, no idea can be original. And sometimes you miss out on things many other people know. I’m clearly one of today’s lucky 10000.
I crawl out and explore then. Hope to God I brought a straw water filter. Step onto the bouncy moss of the forest floor, look around at the landscape, happy I can breathe. Wonder how something horse sized can flit, then duck as it comes back towards me.