The story originates from a girl who decided to become a super invincible beauty because of a broken love. She went to see the King of Hell just after announcing her declaration. When she met the King of Hell, she made an accusation and got the chance to be reborn.
The following storyline may be a bit silly. There is a part in the middle where the heroine slowly grows up from a child. Because of the heroine's declaration before the fart, the heroine starts her own plan to seduce handsome guys after she is reborn, so there may be more male pigs in the story.