After Vowing Eternal Love to the Villain, His Secret Identity Was Exposed

One careless word throws Yin Xi into a dark revenge novel as cannon fodder—destined to die brutally at the hands of the future villain. To survive and stop him from destroying the world, she must save him first. Her mission starts with rescuing a handsome amnesiac who mistakes her for his sister and refuses to leave her side. Through deadly trials, he becomes her light in the darkness, protecting her with unwavering devotion even when wounded. Just as Yin Xi falls for him, the truth strikes like lightning: her "brother" is Ji Yunyuan, the feared Demon Lord and the story's ultimate villain. Whe…