(No heroine) (Universe) (Hantaneda Fumi)
Don't pay attention to the ratings, they will go up, and I guarantee you will get a million words.
The arrival of the protagonist will completely affect the entire world and change the personalities of many original characters.
In the end, not only Otsutsuki is featured, there are stories about Otsutsuki's world, but also stories about other planets in the universe.
