Be RF Savvy, or Die

I was transmigrated into a book, but I've read so many that I don't know which one it is. If there's any clue that could help me deduce where this is, it's that I have a steadfast pine-tree-like preference for prickly male leads. Among the rude handsome men of this world... there must be the male lead, right? * Everyone has a plan. Until that plan falls apart. [Quest Generated!] [Quest (Main) - 'Correct the World!' Content: This world is a world created by mixing four novels - (each a childcare story, a contract marriage, XXX, XXX genre). You must return the four twisted novels to their original form. . . Failure: Death] No, death upon failure? Deeeaaath? I don't remember the c...