They were twin children waiting to be sacrificed in the world of bad people. Due to the change in time and space, Meng Fan fell into the alien world and was adopted by Lao Meng from the zoo. Possessing the ability to travel between two realms, he used children's words to inspire Lao Meng to tame microorganisms, avoid alien disturbances, and quietly accumulate strength to fight against Yuan Tiangang.
