Milia, a princess of the kingdom, is known for her transcendent beauty and has been bestowed with the title of the invincible Heroine by the heavens. However, the truth is that the title was originally meant for the king’s adopted son. Milia, being annoyed by him, took the title for herself, even going as far as executing him.
As a cute and helpful heroine, Milia feels no remorse for his death. She believes it was justified. Despite her actions, she has grown up to become a splendid hero. However, lately, Milia has been experiencing strange and erotic situations wherever she goes. Confusion and alarm fill Milia’s mind as she wonders what is happening to her.