What I Experienced with the System in Those Years

Free things have already been secretly marked with a price. When the opportunity to time travel is presented to you, should you continue to live in an ordinary and boring life, or should you choose to give it a try? Liu Heng, a young man from another world who had long been tired of the boring life, chose to give it a try. A system that wants freedom, and a young man who is full of curiosity about the other world cooperate and help each other. Their journey? It's all the heavens and realms like the stars and the sea! Adventure in a bizarre world and travel between planes with different styles. Elf Kingdom, Fantasy Continent, Urban Elf, Fairy Dynasty...! As for the fight for hegemony? It was just a little fun. (This book is based on traveling through the heavens, and the hegemony element is only an auxiliary setting)