Quick Transmigration: After the Villain Turns Dark, He Keeps Me as a Pet

[Quick transmigration in separate arcs, devoted 1v1 couples, rekindled romance, forced love, confinement] When transmigrating into books was all the rage, there was a group of people who were both unlucky and lucky. They died, came back to life, and then were about to die again. The first time they were bound to a System, it said: [Want to come back to life? Then give your target a beautiful yet painful first love! Break his heart and help him grow quickly into a business tycoon who'll rule the world.] They did as instructed, came back to life, and returned home. The second time they were bound to a System, it said: [After you left, your targets went dark. They no longer trust anyone! They intend to destroy humanity and the world! The world is in grave danger. You'll become pets and keep your targets' corruption levels under control. Fail the mission and you'll die immediately.] The Hosts: ... And so they faced a once-in-a-century dilemma. How do you become a pet right under the nose of the ex-boyfriend you hurt and abandoned, and survive unharmed? The Hosts: Learn to call him Master, and be quick to admit your mistakes. And also... Love him, and never leave him again. - Preview worlds: ① After being dumped by a gold-digging star, a professor becomes a ruthless paparazzo who kills without lifting a finger ② After being dumped by a womanizing patient, a doctor becomes an obsessive biologist ③ After being dumped by a cold-blooded sect master, an assassin becomes a wickedly charming archmage [Reader's guide] 1. Devoted 1v1 couples, reunion after years apart, bittersweet and sweet. 2. Quick transmigration in separate arcs, with different protagonists in each world. 3. The protagonists can freely switch between human and pet forms. Cover used with permission.