The Regressed Demon Lord is Kind - Side Stories: Chapter 15

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.

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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

Once again, as he opened his eyes, Ning Changge awakened his extraordinary insight, only to find himself reborn as an abandoned infant.Coincidentally, Zhang Sanfeng passed by and took him in as his eighth disciple.From then on, on Wudang Mountain, there was an unparalleled prodigy with extraordinary insight. While others practiced martial arts or cultivated immortality, Ning Changge aimed to forge a path to eternal life in the world of martial arts!【You studied three thousand classic scriptures, mastered three hundred inner cultivation techniques, and, with your innate inner energy, created the “Eternal Green Immortal Technique”!】【Reading a hundred volumes of swordsmanship, observing battles between peerless swordsmen, you gained insights and created the “Gold-ranked White Tiger Sword Qi”!】【You established the Immortal Sect, spread the teachings of immortality, and led people around the world to cultivate immortality. You observed the path of mortals cultivating immortality and used their inspiration as nourishment, creating the “Great Dao Elemental Infant Condensation Technique”!】【You led the world to ascend, and the world’s will rewarded you with the Supreme Merit Golden Dragon feedback. You refused to absorb it, pondered carefully, and created the “Supreme Merit Body Forging Technique”!】Martial techniques, passing them on to others…

A mysterious natural phenomenon caused the Earth to be plunged into darkness. The world turned into an endless bloody chaos and mankind is on the brink of extinction…

Chu Yun Sheng, an ordinary white-collar worker, discovered his family heirloom book shining a bizarre light by accident. Out of curiosity, he tried to study the heirloom book.

After a long research, he still only understood a few symbols written in the ancient book. However, he was shocked when he figured out what messages the ancient book tried to tell him: the sun will disappear, and humanity is doomed…

He tried to spread the message, but no one believed him; his family and friends even tried to take him to see the psychiatrist. Eventually, he gave up telling anyone, but prepared for the apocalypse in secret.

Until one day– the sun really disappeared…

- Description from Novelupdates

The cousin that Jing Huan has been closest to since he was a child was labelled as “the other woman” in a certain popular online game: only after devoting herself did she know that the other party was a jerk with a girlfriend.