Transmigrating Into a Book to Spoil My Male Lead

[Transmigrate into a book + sweet romance + adorable, pure-hearted, clever heroine + refined, aloof gentleman hero + devoted to each other, one-on-one romance + schemes + happy ending] P.S. The first chapter sets up the background and is a little dull, but it gets super sweet after that! Lin Jinnan transmigrates into a book one day, becoming the orphaned granddaughter of the late comrade-in-arms of the grandfather of the book’s tragic yet powerful male supporting character. Gu Jinchen was born a wealthy young master. But because his luck overshadowed the male lead’s, the small world was on the verge of collapse. The Main World sent a female lead on a mission to forcibly correct the plot. Armed with foreknowledge of the small world’s storyline, she teamed up with the male lead to undermine Gu Jinchen, reclaim his luck, and build a business empire. With the female lead on her mission and the male lead deliberately getting ahead of him, Gu Jinchen struggled to survive in the cracks, failing again and again until he finally took his own life on a rainy night, escaping his unfair fate once and for all. Lin Jinnan thought the whole thing was absurd. What had Gu Jinchen done wrong? The scene where Gu Jinchen killed himself on that rainy night had left her so heartbroken she’d nearly cried her eyes out. She’d wished she could go inside the book and help him. And then, she really did... “What, you haven’t seen me in a few days and already don’t recognize your big brother, kid?” “I told you, I’m not a kid...” Gu Jinchen met those clear, almond-shaped eyes and suddenly felt like teasing her. He looked her up and down, then said casually, “Hmm. The kid’s all grown up.” Some refined gentleman. He was obviously a scheming man! Later, after learning about the conspiracy behind the Main World sending a mission heroine to forcibly correct the plot, Lin Jinnan realized that she had transmigrated into the book for one reason alone: Gu Jinchen...