MTL - Mr. Zhan’s Little Demon is All Grown up - Chapter 2681 I didn't expect it to be her

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

Master said, the woman I held in my hands, I must protect for the rest of my life.

Master said, it’s hard to cultivate as a Demon, and once you enter the Demon Dao, you should never look back.

Master said, Heaven is a Circle and the Earth is a Square; that Circle represents (is) consummate perfection, and that Square represents (is) the edges and corners of one’s Heart, it’s a rebellion against Fate, a Disobedience to Heaven.

My master is named Ning Fan, he’s not a person, he’s merely a Butterfly who has entered Demonhood. He was searching for someone. No one knew who he was searching for. No one knew how long he would search for…

- Description from novelupdates

She is the Crown Prince’s fiancee, but on the night of their wedding, an edict was made and she was given off to marry the crippled and paralyzed God of War.

On their wedding night, the paralyzed groom pressed her under his body: “Do you want this prince to kill you or poison you?” Lin Chujiu is a famous surgeon so she wouldn’t feel threatened that easily. She turned and pressed the crippled man under her body: “Say, do you want me to completely waste your legs or waste your third leg?”

She is a genius surgeon doctor in Modern Era that was transmigrated into the body of the Eldest Miss of Lin Family.

He is a famous prince that named as the God of War and was feared by many.

“I, Lin Chujiu, am not a good woman. I do not know how to write melodramatic words.”

“I am in love with you and willing to do anything for you. I will bear the blame of our country or even help you seize the vast territory of our motherland…”

“I hate you, I am willing to pull out your heart, take out your bones and after you lose your life I will destroy this picturesque country…”

- Description from Novelupdates

To Producers, the two of them couldn’t be more drastically different voice actors.