Lin Yuan, the most unremarkable outer disciple of Qingyun Sect, stumbled upon a junior sister who had no sense of direction.
His junior sister Su Tang is sweet, soft, and always hungry. She also seems to have the luck of a koi fish, or perhaps the misfortune of a jinx. She effortlessly clears out the cafeteria’s meal tickets, finishes last in her tests yet makes tribulations of lightning go around her, and wins the sect tournament without lifting a finger. She even manages to make the Demon Lord question his sanity by accidentally setting him up. Lin Yuan had hoped to lead a quiet life with his junior sister, but he gradually realizes there’s something off about her.
When she gets lost, she stumbles into ancient secret realms. When she’s hungry, spirit beasts come to pay homage. A casual complaint from her can trigger the beginnings of heavenly punishment, and her tears can turn into spring rain that nourishes all living things. As it turns out, the little girl who needs her senior brother to feed her osmanthus cakes is none other than the Heavenly Dao itself, descended to undergo a tribulation with her memories in fragments.
To protect his junior sister’s secret, the once-ordinary Lin Yuan is forced to embark on a path to power. With a mortal body, he takes on true immortals; with a heart devoted to protecting her, he comprehends the laws of the universe. He shields her from the pressure of the Immortal Alliance, braves the frozen battlefield of the far north, and searches for the origin needed to mend the Heavenly Dao amid the currents of time and space. And as Su Tang spends day after day with her senior brother, she awakens, growing from an innocent food lover into the Heavenly Dao who commands divine punishment. Yet she never forgets to say, “Senior Brother, I want some osmanthus cake.”
As the Heavenly Dao falls into disrepair, the myriad worlds descend into chaos. Extraterritorial demons lie in wait, the Immortal Alliance closes in, and the mastermind known as “Annihilation” stirs the board of the heavens. Lin Yuan stands with sword in hand. “She’s my junior sister, and she’s my Dao. Anyone who lays a hand on her will have their entire Dao lineage wiped out!”