Extra's POV: My Obsessive Villainous Fiancee Is The Game's Final Boss

Ren Kuroda, a hardcore gamer, finally beats the unbeatable RPG *Eternal Souls: Last Judgment*—only to be isekai’d into the game as Terence Ross, a forgotten extra in a doomed world. His plan to avoid the apocalypse? Get engaged to Lilith Underwood, the girl fated to become the final boss, and make her emotionally dependent on him to save her humanity. Big mistake. Her attachment spirals into a fierce obsession more dangerous than her dark powers. Now Ren must balance restraining a calamity while surviving the girl who refuses to let him go. Can an extra rewrite fate, or will he be consumed by the disaster he tried to prevent?