Prologue- The End Of One's Boredom

This is a fanfiction, I do not own any of the characters in the story.

Centuries after the battle with Yuuki Kagurazaka, the supreme deity known as Rimuru Tempest decides to head to another world to get rid of his boredom. He became the older brother of a boy named Iruma Suzuki who was doing a ton of dangerous work for his parents. Together with his older brother, They continue to live that lifestyle. Until, something very unexpected happened. How will Rimuru and Iruma survive in this mysterious world they were brought in?