Modern‑day technician Lin Yi transmigrates into a low‑ranked servant of the Demon Sect and unlocks a romance‑quest system, forcing him to win over the ruthless sect leader, the she‑devil Dongfang Huayan.Charming, quick‑witted and armed with modern knowledge plus system perks, he risks his life to protect her, repels northern invaders, uncovers traitors and quells rebellions, escaping countless deadly traps. Rising from a humble servant to the Demon Lord, he wins the she‑devil’s heart while sorting out his tangled feelings with Su Yueli and Tuoba Yu. In the end, he rules the Demon Sect alongside Dongfang Huayan and holds supreme power over the cultivation world.
