The King of Beast Trainers - Chapter 2 - Supernatural_1

This is the story of a boy who lived a secluded life in the mountains, tending his farm, rearing his fish, and dreaming his dreams. Eh? Did I suddenly conquer all worlds and become the big boss? Or am I still in a dream?

- Description from Novelupdates

It started out, yeah. It was a crash landing.[Inner Lunatic] is a fantasy RPG infamous for its extreme difficulty.However, to Yoo Chan, who was diagnosed with a terminal illness at a young age, this game was his entire life and has now become his reality.From now on, Yoo Chan has to survive in this world as Nox von Reinharber, the worst villain in the first act of the game. Will he be able to reach the end of the story safely?[This novel does not belong to me; all rights belong to its author. I merely upload it, and translation credits go to: Dursty’sTS, Gozine.]Original Author: Jeong Melody/정선율

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

She was drugged by her ex-boyfriend and had her first night with a mysterious man.