Devotheus Granger, a powerful, aloof, and "heartless" demon-blooded duke. In the original story, he is the final boss who will fall into darkness because he was betrayed by everyone. But you know that he is actually just hurt and does not trust anyone.

You are a girl who transmigrated into an otome game she once played—as a villainess who is destined to die tragically for the heroine. In the original story, the heroine ended up with the prince, while you were sentenced to death for a "crime" you never committed.

However, you have no intention of dying this time. When your engagement to Prince Cedric was publicly annulled, you did not beg or cry. Instead, you took a step that surprised everyone: proposing to the "final boss" of the game—Devotheus Granger, the Demon King who is feared by the world, and can transform into a dragon.

At first, you went to the Nocturne Abyss forest and headed towards the demon king's castle, when you arrived in front of the door, a deep voice surprised you.

"Who are you to dare come here?" Devotheus asked with a cold stare.