The Blade Guardian: Sukuna's Thousand-Year Devotion

What if Sukuna's greatest weakness was loyalty? Shen Su, the King of Curses' only true friend from a millennium past, failed to save their twisted world—but now he's been thrust into the modern jujutsu society. Armed with ancient secrets and unwavering devotion, he's determined to rewrite fate itself. As bonds deepen and a forbidden romance ignites between guardian and king, Shen Su must choose: preserve the past or forge a revolutionary future that could shatter everything sorcerers believe. A bittersweet tale of immortal love, sacrifice, and the price of changing destiny.