Borrowing the world view, changing the plot and OOC.
It's a story about an unknown heroine who was adopted by Akira Hayakawa after a demon attack. She met Hayakawa Akira's companions and fell in love with the decadent guy Angel Demon. The heroine's adopted name is Nazuki Hayakawa. She is not a normal person, so she does not have a normal way of thinking.
Purpose: World peace