Lost Wonderful World

A journey to another world triggered by an egg-yellow game disc... There is no need to break your heart, you can level 999 with one sword, without any recharge interface, and you will have a backpack full of epic artifacts and equipment with full attributes. It is an epic game disc worth owning... After Li Fengyu arrived in the wonderful world, Li Fengyu was instantly upgraded to level 999, the highest level in the human world, because he activated an unknown skill. However, the introduction that appeared on the operation interface told him that this was a real world. If it is a real world, or a game world, then what is the reason why he came to this world? No pain, no fear of cold, no fear of heat. What is the value of my existence in this world? What conditions must be met to return to the original world?