To achieve immortality, I cultivate using Qi Luck - Chapter 538: 259: United Front Attack on Yi

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

As an anti-fan of the idol group, Starry Night, An Xiaxia is happy to spend her time online slandering lead singer Sheng Yize.

Male lead quick transmigration romance— originally called Soul Pawn Shop.

Hell’s ruler Xie Fei travelled through three thousand worlds to guide traders to redemption.

—Ding-dong! Welcome to the Soul Pawn Shop.

Note: 1V1 romance

- Description from Novelupdates

In the autumn of his second year of high school, Tsujidou Masachika had just been appointed as the student council president when he found himself helping a student who was suspected of smoking in school.Her name was Ooba Monaka, a junior gal rumored to be a beautiful girl.He helped her on a whim, with no intention of getting involved. At least, that’s what he thought until…“I’ll do anything to thank you, Senpai~”For some reason, she became extremely attached to him!She would barge into the Student Council room every day, help with event preparations, and even go on dates. Gradually, Masachika and Monaka get closer as she aggressively narrows the distance between them.In the midst of it all, it turned out that the ‘suspected of smoking’ accusation was actually due to malice…?A sweet romantic comedy with a cheeky and cute junior gal begins!