Under the Zhengyang Gate: Making Cheng Jianjun Call Me Grandpa from the Start

A business elite from the 21st century transmigrated straight into the TV series Under the Zhengyang Gate, taking over the body of its male lead, Han Xiaowu. At a gathering of educated youths, the shameless villain Cheng Jianjun tried to set him up. How could he put up with that? Getting him to call Cheng Jianjun "Grandpa" was a pipe dream! After unexpectedly awakening the Pinnacle of Life System, he stole the show and crushed Cheng Jianjun, who was reduced to obediently calling him "Grandpa." In this most wonderful of eras, Han Chunming will make up for all the regrets in the TV series and live an even better life! A crossover of Under the Zhengyang Gate, Courtyard House, Like a Flowing River, and more.