The Bookmark: Posthumous Publication

After a tragic fall from the school's rooftop, Luck finds himself reincarnated in the world of his own fantasy novel. He wakes up as Arthur Romaeus, the next Demon Lord and the youngest son of the prestigious Wolfhard family, known for producing the most renowned swordsmen in the Stella Empire. But Luck's new life comes with an irreversible fate: he is destined to be defeated by the heroine, a powerful force of good in the story. Now, trapped in a world where magic and swords reign, Luck must navigate the complex threads of fate, power, and destiny. Can he rewrite his future, or will he be bound to the tale that has already been written for him?