What TV series is Big Sister's fish sold to the hotel?

The story of Big Sister's fish sold to the hotel comes from Big Sister.

Big Sister is the companion of Genealogy, the entanglement of affection, love and friendship, and the story of ethics, morality and faith. When her parents died, her weak shoulders shouldered the burden of the family. Put up with hardships and bring up siblings. She is selfless to her brothers and sisters. But it was not understood, and the feudal traditional family view was challenged and eventually collapsed. Everyone pursues his own ideal. Brothers and sisters go their separate ways, but their hearts are connected.