Transmigrate Into a Book and Farm: Let the Author Save the Yandere Villain

[Food + yandere + taking down scumbags + strong heroine + System + mutually faithful + adorable kids] Famous author Su Wan wrote the villainous second male lead's story so tragically that, just before dying, he dragged her into her own book and turned her into a background character! Her background-character father is gone, her mother is dead, and her whole family is a bunch of awful people. Luckily, she has two brothers who dote on her. The System she's bound to orders her to save the villain from his miserable fate. If she fails, it'll kill her! See how Su Wan defies the heavens and the earth, tears her awful relatives to shreds, tramples scumbags, and raises a beautiful yandere man~ An adorable little dumpling also turns up along the way, and Su Wan waves her hand and takes them both in! She never expected the children to have such high-status identities… With her cooking skills and sharp mind, Su Wan makes braised treats, clears land, opens a shop… Her life starts looking more and more like a protagonist's. Male lead and female lead: “We're obviously the protagonists!” Villain Qin Buhan: “If we kill you, won't that make us the protagonists?” The yandere villain, early on, when he meets Su Wan: “I'll kill you! Don't touch me! Do you want to be stabbed or strangled? Pick how you want to die!” Later: “She's so good to me, she must have a secret crush on me~ Woman, if you like me, just say so. I won't turn you down~” Su Wan: I never expected this old guy to have two faces!