Quick Transmigration: The Villain's Sweet Wife

She's supposed to purify villains across three thousand worlds—not marry them. Quan Nai plays innocent while wielding power that makes protagonist halos worthless. Her system watches helplessly as obsessive villains offer scalpels, imperial decrees, and themselves. A yandere doctor, a possessive emperor, a devoted disciple—each world's villain falls harder than the last. But who is this 'weakling' who rewrites fate itself? A ruthless heroine meets dangerously devoted men in this addictive world-hopping romance.