Later, He Became A Royal Healer - Chapter 45 - Third change.

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.

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

Initially, the four elder brothers of the affluent Sang family disapproved of everything about their biological sister, their hearts and eyes solely focused on their foster sister.The eldest brother said, 'Stop embarrassing yourself with your acting, just retire from the industry.'The second brother remarked, 'Your life is less significant than Jiaojiao's movie premiere.'The third brother declared, 'Didn't buy you a gift, you are an outsider after all.'The fourth brother insisted, 'Don't come to my game, Jiaojiao will be there.'After repeated disappointments, Sang Qiao carried her bag and left, not only setting up her own company to make money but also participating in a dating show with her ex-fiance as her partner. Just when she finished the show diligently, thinking she could gracefully retire from it, she suddenly felt a pair of large hands encircling her waist, and a man's voice murmured deeply: 'Where do you think you're going, naughty girl? Were you just leading me on this whole time? Hmm?'Sang Qiao: '!' I was taking the dating show seriously, and you actually fell in love???'From then on, she gained a powerful supporter, reaping the rewards of both a flourishing career and a love life.However, the four brothers, betrayed by their foster sister and realizing how wrong they were in their treatment of Sang Qiao, deeply regretted their past actions, attempting every means to reconcile.Facing the eldest brother she said: 'Stop squatting at my doorstep begging, you're affecting the city's appearance.'To the second brother she said: 'You've only lost a leg, if I take care of you, I'd be losing five million!'Confronting the third brother: 'Keep dumping trash at my doorstep and watch how unpleasant I can be.'And to the fourth brother: 'Tomorrow I'm going to visit a friend's dog, so I have no time for your competition.'

After waking up in the body of the Young Master of the Luo family, he finds he has the knowledge of hundreds of games and Light Novels. However, he finds his Dantian is crippled, so he can’t practice cultivation! Luckily, he has the Upgrade system.

Killing Monsters, doing Quests, and even killing people- it’s just too easy. I don’t have any Martial Arts? I have hundreds of light novels, just let me level up so I can get this Main Character’s Martial Art! The only problem is: Should I follow the “This OP character cultivation” or should I follow “Another OP character cultivation”?! The tragedy!

- Description from Novelupdates