Transmigrate into a Book Set in the 1970S: I Won't Be a Simp, I'll Be Your Sister-in-Law Instead

Zhang Lanxin dies suddenly from working overtime and transmigrates into a book as a vicious supporting character who shares her name. In the story, the foolish, troublesome woman ends up miserable because she is hopelessly in love with the male lead. After arriving, she sticks to her motto: treasure life and stay away from the male and female leads. But the protagonists start acting strangely and crowd around her instead. She may not go looking for trouble, but she certainly won't back down from it. She meets every challenge head-on, and her life gets better and better. Along the way, she also meets a principled soldier...