Weakened after an epic battle, the demon tribe has finally managed to resurrect Dongfang Qingcang, the powerful ancient demon lord. Ready for his great power to help them take over the heavenly realm, their plans are suddenly put on hold when they realise one terrifying problem: Dongfang Qingcang has switched bodies with a fairy! Now unexpectedly linked to a demon lord, fairy Xiao Lanhua must work with Dongfang Qingcang to not only survive but figure out how to switch back. She anticipates him to be a truly despicable being, but he surprises her with his calm demeanor, and he even seems to genuinely care about her safety. But there's no way a terrifying demon lord could care for a simple fairy like her...right?