A Butterfly Comes from Afar

[An old article that was conceived many years ago but has not yet been written. It is similar to a unit story. The title of the book is to be determined, the copy is to be determined, and the name of the protagonist is to be determined. In short, other than that it will definitely be published in the future, nothing else is certain. If you don't mind, don't accept it] Beautiful and powerful female protagonist × background male protagonist Plot-oriented, unit text According to legend, the deceased will turn into a butterfly and return home on the first seven days. After meeting his relatives for the last time, he will drink Mengpo soup, cross the Naihe Bridge, and enter the six realms of reincarnation. Purpose: Kill demons and eliminate demons