Survival in Virtual World

!!! The book is now finished!!! When a crystal mine appears in the game that can extend human life by 300 years, will you choose to play it? When nobles, poor people, armies, politicians, etc. From all over the federation swarm in, is this still a game? When the grassroots protagonist owns a smart mechanical factory, won't the world be able to go there? Cities with different styles, 11C with unique character, and strong family strength are here to let you experience the world of Sail.