MTL - The Devil’s Cage - Chapter 1759 influences

After experiencing heartbreak from being abandoned, he enlisted in the military.

And then, he became a war hero.

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates

It was started with a harmless request, “Jessica, clear out a room for Zoey, she'll be moving in with us for the time being.”Jessica's marriage soon ended when that 'guest' climbed up the ladder, from a guest room downstairs, to Jessica's bedroom, and then, her husband's bed.After losing in the fight for her husband's attention and love, Jessica realized it was time to wear back her garment of dignity and respect. She signed the divorce papers and left the country.Two years later, she returned as the heiress to a conglomerate, but her husband was at the airport, waiting to welcome her home.“When did I say I didn't love you, Jessica?” he asked.

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.