A path of flowers for an oriental fantasy villain

She was reborn inside a novel—? Jin Soha, whose body is weak and often sickly, lived together with her only family, her older brother Jin Cheongang. However, one day, memories of her previous life suddenly returned, and she realized that the world she now lives in is actually the martial-arts novel she read in her past life. And in that novel, her older brother Jin Cheongang is destined to become a heartless, merciless villain. There’s no way I’ll let my gentle, sister-loving big brother turn into a villain…! Relying on the memories of her past life, Soha resolves to save Cheongang from the story’s fate. However, it seems she wasn’t the only one who knew the continuation of this novel…