I'm The Male Lead's Biological Daughter, But I Want To Live With The Second Male Lead!New남주의 친딸이지만 서브남주랑 살래요!

"I have to die for them to get their happy ending? No way! I'll do everything in my power to prevent that!" Mabel, a young princess known as the Ghost Princess, discovers that her parents, the protagonists of a novel, can only achieve their happy ending if she dies. Determined to escape her predetermined death, she runs away from home and unexpectedly ends up under the protection of the novel's second male lead. For the first time in her life, Mabel experiences the warmth of a family through his gentle care. However, the story she thought she knew and the reality unfolding before her begin to diverge little by little…