When the most beautiful woman in the world of cultivation was forced to marry the demon king, her enemy who destroyed the whole family, she bound to the system and vowed to kill her husband and prove the truth. However, the moment she succeeded, she discovered that she was the culprit who owed a huge blood debt to destroy the world, and the husband she hated to the bone was actually the disciple who killed his master thousands of years ago just to save her.
Fairy Yuqing, the most beautiful woman in the world of cultivation, her sect was destroyed, and she was also used as a plaything to be sacrificed to the notorious demon Lord Yama.
Everyone in the world lamented the beauty's fate, and the system also forced her to flatter her. However, she backhandedly bound the [Righteous Family Extermination System] and planned day and night, vowing to poison this "husband".
Poison, traps, assassinations... The Demon Lord can always be easily resolved. Instead, he gets everything he wants, pampering him to the utmost, but there is a loneliness as cold as ice for thousands of years hidden in his eyes.
It wasn't until she stole the most precious treasure from the fairy world and pierced his heart with the evil-killing sword that she finally heard the answer she wanted——
He chuckled blood-stained: "Master, this knife... Are you satisfied?"
A word that shocked everyone! The dust-laden memories were suddenly unlocked: She, Yuqing, was originally Qinghui, the first immortal in the world. She fell into the devil's way to resist the great catastrophe and became the real culprit of the world's destruction. And Yan Luo was her disciple Xuan Che who had a pure Taoist heart. In order to prevent her from committing more crimes, he endured for thousands of years, and finally shouldered the crime of killing his master and suffered all the backlash from heaven on her behalf.
It turns out that she is the "kid" who deserves to be "killed for justice" the most.
From avenger to redeemer, from chess piece to chess player. A scam spanning the ages is slowly revealed, and a fateful love song struggling in the abyss of love and hate, crime and punishment begins. When the final truth