Wo Er Kuai Pin Die

Qin Chuan transmigrated into a mysterious fantasy world. Not only did he gain a son, Qin Zi, for free, but also a cheatcode - a system that made him stronger every time his son caused trouble. After discovering that Qin Zi was a weakling with immense plot armor, Qin Chuan started on an endless journey to troll his son… (Source: Webnovel)