CompletedXie Xuan transmigrated to a wasteland world over a hundred years later.
Marine fungi, initially affected by nuclear-contaminated water, were brought back to land by a tsunami, and a spore infection crisis swept across the globe. Humanity established a confederate government and built high walls.
Immediately after transmigrating, Xie Xuan was unfortunately caught in a parasitic domain, gaining the "golden finger" system indispensable for transmigration, and happily acquired a debt of 208,000.
To clear her debt, Xie Xuan joined the Ecology Bureau to start foraging for fungi.
Half a month after transmigrating, Xie Xuan unexpectedly received a notebook from the original owner. She discovered that the original owner suffered from regular memory loss, and she had at most another month and a half until her next episode of amnesia.
The rainy season is when fungi grow fastest, and they can grow in all sorts of places, for example...
She was trapped in a transparent cage, and outside the cage, a gigantic cat-person covered in fungi was observing her.
She boarded a light rail train that would never start, and the entire carriage had transformed into a fungi forest.
...
Xie Xuan's fungi foraging techniques became increasingly skilled, but the mysteries surrounding her origins grew.
It seemed... she might not actually be human?