In the Body of a Mortal

[The blurb has been screenshotted] "Qing Jue Yin" is a tragic romance set in a world of immortal cultivation. The protagonists are a master and his disciple. After going through all kinds of misunderstandings, the disciple is heartbroken. He wants to have his spiritual roots and immortal bones removed, then be reborn as a mortal, never to cross paths with his master again. The master threatens him: if he dares to die, every mortal in the world will be buried with him. The disciple goes through with it. And the master makes good on his threat. A catastrophe descends, claiming the lives of seventy percent of the mortals in the mortal realm. Qin Han, who transmigrates into the book "Qing Jue Yin," is unfortunate enough to be one of those seventy percent of mortals. Qin Han: ??? If you want to keep torturing each other in your tragic romance, go right ahead. What do we mortals have to do with it? Why are you killing mortals for fun? Fortunately, the catastrophe is still twenty years away. And fortunately, the heavens give Qin Han a Study System. Still a little kid, Qin Han stares at the complicated equations and densely packed blueprints in the Study System until his eyes swim. But to stay alive, he has no choice but to study with all his might. Qin Han doesn't just study himself. He also gets the mortals of the mortal realm to study with him. Twenty years later. The catastrophe unleashed by the love-addled protagonist arrives right on schedule. Only this time, before it can reach the mortal realm, its air defense system intercepts it. The catastrophe explodes over the world of immortal cultivation. The immortals are shaken to their core. They join forces and descend upon the mortal realm, demanding that the mortals hand over their new magic weapons. On the day the immortals of the major sects descend upon the mortal realm, the mortals go on the highest alert: The naval fleet stands ready, all kinds of fighter jets soar through the skies, and missile warheads line the land, ready to give these immortals a few mushroom clouds. With mortal bodies, they stand firm against the rolling might of heaven. Theme: Unity is strength.