Time Travel System

Use Terminators to look after homes, mutated creatures as pets, cars... Let's use Transformers. He competed with Yang Guo, fell in love with Zhao Ling'er, beat up the Jade Emperor, and flattened the Angel of the West. Yang Yu, an ordinary boy living in the 21st century, started his magical adventure because he accidentally obtained a magical ring that could travel through time and space. (This book book friend group; 127126486)