Jasper Lee transmigrates to become a Royal Hostage. When about to be used for a Ritual Sacrifice, he awakens a sign-in system, saved by Princess Yasmin. Jasper swears to punish those who humiliated him. Second Prince Tristan Lee schemes against him, Jasper outwits him. Jasper levels up to a terrestrial immortal, seizing the power of Great Qian. When Yasmin is forced to marry, Jasper destroys the Chu Kingdom, protects his wife, and unifies the realm.