When humans become guinea pigs, and guinea pigs become saviors——
After a man-made ecological disaster, the surface of the earth was reduced to wasteland, and the survivors moved into the underground "dome city". The seventeen-year-old girl **Lin Xi** woke up from a mycelium bed and found that she was the **Clone Experimental Subject No. 43** Kidnapped by "Mycelium Technology". Her body is living in symbiosis with luminous hyphae, her memory has been deliberately erased, and the only escape exit is a living labyrinth that mutates every six hours.