My SSS-Rank Skill and System is too OP in Modern Cultivation world - Chapter 25 - : Testing New powers.

Lin Wei Xi found out after she died that she was just a cannon fodder in a novel, used as contrast to the gentle and considerate and virtuous female lead.The male lead was her ex-husband, the dignified heir of Yan Wang, his family were superior and brilliant, but the female lead was not her.The female lead was her concubine-born younger sister, and her husband’s white moonlight, his cinnabar mole, no wonder! After Lin Wei Xi died, her husband finally married her sister as he wished.She watched coldly at the two like honey in the oil, in love and harmonious, everyone using the success of her younger sister to contrast the impropriety of the original wife.Lin Wei Xi sneered, okay, since your love moves the world, then this sister will come back and be your stepmother!So she married her ex-husband’s father, the father-in-law she never met in the previous life, the country’s God of war, who has not remarried after losing his wife, the one that hold military power, the brilliant Yan Wang.Later Yan Wang, who was in his prime years and used to act decisively, looked at his small, delicate, much younger wife, and had a headache.No matter, she is still young, he have to spoil her, indulge her, teach her.

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

Xin Yun, a sarcastic young man, traveled to an unknown world by chance, but lost his chance to become the strongest because of his obsession with women... or sex. In a collision of the powers of nine powerful men, an incredible thing happened. Xin Yun was reborn back to the time when he traveled to the Isekai world. A fantasy journey is about to begin... [The comic adapted from this novel is popular all over the world]