Brother Feng, when can I go back and wait? Which novel is it?

When can I go back to my brother? It is the novel "The List of Monsters". In the list of monsters, Feng, as the leading actor, has lived for several generations. In his previous life with Long Sanyuan, he was the adoptive father of Long Sanyuan's children. But Long Sanyuan is a dragon. When Long Sanyuan was 100 years old, Feng lived in the bed on his right, so he had this sentence: When can I go back to my brother? Feng replied: Wait.