MTL - Peerless Divine Emperor - Chapter 1196 Dragon Rune in Hand

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

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

At the execution site, the two hundred and fifteen people of the Yun family are waiting for the execution. As the new emperor ordered, all are executed and the blood flow to the ground….

Relive again, people who owe her, calculate against her, she will never let them off.

Just return back to life, her parents murdered, the people in the entire capital are eyeing her family’s wealth. This lifetime, she will not be blinded again.

In her past life, her uncle’s family is her only family, just because her grandmother don’t like her mother, she thought…

- Description from Novelupdates

…but it seems pretty doable.