The Best Grandpa Becomes a Monster in Another World

Grandpa in the underworld, madly dreaming about his grandson, burning paper money, and how much is not enough. I thought it was because grandpa didn't have enough money to spend, but unexpectedly, grandpa is making trouble in the underworld! Kunlun Mountain saw the Phoenix and Suzaku pulling a golden coffin together in the depths of the universe and galloping away... Let's take a look at the wonderful world of Niu Erhun...