Many years ago,
Humans and monsters lived in a different world, a world that's going to make. You. Wish. You were never BORN. The world is hell but there was only one angel named y/n, humans didn't care about that because she was a f/a (favorite animal) monster. They had war monsters lost. And the only AND I MEAN THE OLNY monster who got out of the Barrier was the monster angel, y/n. And this is how the story comes along to be bitter