In a certain world, in a certain place, a hero and a demon king were fighting.
After a fierce battle, the hero finally succeeds in defeating the demon king.
——And several years have passed since the demon king was subdued.
A hero is on his way home from hunting, his healthy daughter and his wife are at home.
The girl approaches the hero with a fearless smile.
"Welcome home, Daddy."
The revenge story of the demon king who was reincarnated as the daughter of a hero begins now...! !