Oh No, Am I Playing the Sycophant in a Romance Novel?

[No female lead + Not a saint + Kick to death anyone who makes the protagonist miserable] Zou Wu is halfway through entertaining a client when he suddenly transmigrates into a romance novel and becomes the eldest young master of the Zou family. He's rich and powerful, so why is he just a supporting character in the book? And a hopeless simp, at that? The green-tea adopted son, his clueless family, the bullying classmates and friends: kick them all to death.