He was reincarnated as the older brother of a warrior who was destined to die.
He wanted to live his second life comfortably, and thanks to his struggles here and there, he rose to the position of Duke of the North.
Just as in the novel, the demon lord must have been defeated, a hero came to me and said to me, who was living a leisurely life.
“Brother, have sex with my party members and make babies!”
…Let’s start by breaking the head of my little brother.