The Strongest Filial Piety System

After traveling through time, activate the wonderful filial piety system. As long as you are filial, you can get various rewards. At the same time, the tasks issued by the system are also various filial piety masters. In this way, on the road of filial piety, big and small, the protagonist goes further and further. The ultimate goal is to become the most filial person. Is this the same as ruling the world with filial piety? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.