The Villain Thinks About Betraying His Master Every Day

[Laid-Back, Slacker Master Heroine vs. Obsessive, Unhinged Villain Hero] “Master, you said you'd stay by my side forever and never leave. Are you going to break your promise now?” At the blood-red wedding feast, Chu Yanzhi steps toward Ye Zijin over a trail of corpses, his smile still harmless. Ye Zijin, an overworked office drone, binds to a System. Her mission is to save the protagonist group and destroy the world-ending villain. Ye Zijin: “Saving the world burns too many calories. Isn't it better to lie flat and slack off?” So after she transmigrates into a book, Ye Zijin's daily routine is: eat, sleep, eat, sleep... One day, Ye Zijin brings home a disciple she found, adding one more activity to her daily routine: raising him. Her well-behaved disciple is good at entertaining guests and cooking, and excels at vanquishing demons and monsters. Her life is complete. Then a bucket of cold water comes crashing down on her head. What? Her well-behaved disciple is the reincarnation of an ancient Demon God?! Ye Zijin comforts herself. “No need to panic. His values are a little crooked. I can set him straight.” But the heroine gradually realizes that her disciple's values aren't getting straighter at all. If anything, they're getting more and more twisted. Not only is he getting increasingly bad-tempered, but the way he looks at her is getting stranger and stranger! Ye Zijin trembles. “System, if I pack up and run away now, is it still in time?” The System trembles, too. “Can I come?” Ye Zijin: “...”