The Peerless Castoff

After the nuclear war, the surviving humans live in underground cities. Liu Yun was born into a top-tier family, but was separated from his parents at a very young age. He was adopted by the second-rate Lin family in Jiangxia, where everyone treated him as worthless trash. After graduating from university, the family assigned him to tend the boilers. Then one day, he discovered a mysterious jade box, and from that moment on, his life took off.