Fantasy: Start as Hades

The protagonist travels to a fantasy world, obtains a role-playing system, is possessed by the European Emperor, and the first role-playing character is Pluto, so the whole world undergoes tremendous changes. All the great saints: Mr. Lion King, please don't come again. All our resources have been drained. Everyone in the formation: Originally, I thought I had reached the pinnacle of the formation and was proud of myself. But after seeing the Cloud Bat Formation, I realized that I might have never set out. Pluto: Now that he has awakened from his deep sleep, it is time for a new overlord in this world! I am the King of Hades, and this is the underworld! ………… This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.