Under the peaceful planet, there are ruins of the ancient Nine Realms hidden. Su Yao accidentally obtained a map fragment, gathered like-minded partners, and embarked on a cross-border adventure. They travel through a nine-layer world with strange landscapes, numerous institutions, and unknown creatures, solve ancient mysteries, experience friendship, betrayal, growth and hope, and move forward step by step between jokes and crises. Finally solve the mystery of the Nine Realms and face the ultimate choice hidden behind civilization. The book has a fast pace, the plot advances layer by layer, the story has ups and downs, and the sense of humor runs throughout. You can gain growth and understanding in every danger and breakthrough.
