Thought It Was ‘The End’, Only to Return to a Changed Genre

In the original novel, she was the villainess, but she avoided all the death flags properly by faking her own death. She saved even the poor child who was destined to die, sacrificed herself to ensure the protagonists’ lives would be smooth… And thus, she hid and waited for her own happy ending. Finally feeling happy for a moment at the news of the original protagonists’ marriage, she returned after hearing about her mother’s passing… …But why is everything all messed up? No, more importantly, why was she in confinement?! The original male lead, who was her childhood friend and fiancé, spoke. “If I had known you’d fall for such a simple trick like a death notice, I would have done it sooner.” The male lead, who she thought had married someone else, laughed at her with utterly crazed eyes. Why was he like this now? He wasn’t like this before. “You’ve got nowhere to run now.” What’s going on here!