Siheyuan: I, He Daqing, I Am Old and My Heart Is Not Old.

Traveling through the courtyard full of love, I became He Daqing. Looking at himself in his fifties, He Daqing was filled with grief. More than thirty years of youth were eaten by dogs! Just activate the god-level mission system. Completing system tasks will reward lifespan! Back to youth! In order to complete his mission, He Daqing is active in all walks of life. The oldest chief engineer of the Red Star Rolling Mill, he led the Red Star Rolling Mill to become the largest steel giant in the world. Competing in the Olympics and becoming the oldest gymnastics champion in history. Create a chain catering brand so that everyone in Longguo can eat Chinese food no matter where they are. … Many years later, He Daqing became younger and younger. Qin Huairu: "Uncle He, I don't mind being Yu Yu's stepmother." Ran Qiuye: "I heard that you want to renew your relationship, please consider me." Su Meng: "Uncle, I like you so much!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.