I became the secret mastermind ML in a romance fantasy novel. Not just any male lead, but the one who ends up with the villainess-possessed protagonist.

Despite gifted with extraordinary talent, I resented my life being cut short. One day, fueled by alcohol, I penned a proposal letter to a princess, hoping to alter my fate. [Sure. I’d love to marry you.] …What? She’s accepting? The problem is, I proposed to all five tyrant princesses. And to make matters worse, I have no clue which one responded.

Becoming the physician of the villainess who brought about the world’s destruction, I tried to escape to survive, but the reactions were strange.