Saving the Tragic Novel's Heroine and Her Best Friend

Best-Friend Redemption: He and I Both Fell Into the Lake. Who Would You Save First? The Legitimate Eldest Daughter's Best Friend

Looking for books similar to *I'm the Villainess's Hammy Bestie [Book Transmigration]*. The heroine says, “My greatest wish is to live off my bestie's money. Other people would love to, but they don't get the chance!” She transmigrates into a book written by her bestie's hater and has to complete missions? And the villainess is her bestie?