More and More Wasteful

Su Yuan did not expect that other people's time travels were all about various systems and counterattacks, but his time travels became more and more useless! This book is also known as "The Institute of Waste Materials", "I Really Have No System", "The Thousand and One Nights of the Traveler", "How Many Doppelgangers Do You Have", "I Want to Go Home", "I Don't Want to Wear Anymore"...