In modern society, technology continues to advance, and a super virtual-reality game called Mecha Vanguard has taken the world by storm. Yu Yang's father works at a company in Shenzhen as an ordinary office worker. To let Yu Yang attend school in Shenzhen, he works hard to get him registered as an urban resident. They live in a modest apartment in a village in Shenzhen and keep their spending low. His father rarely buys Yu Yang toys. As a child, Yu Yang was often bullied by his classmates, and from then on he longed to have a mecha to protect himself and the weak.
