Novel's Extra: I Awakened The Strongest Physique From The Start - Chapter 269 - 270 - Seventh Floor 1.

The Barren Continent, where martial arts are supreme, and strength is honored above all.The once-in-an-era prodigy, Ye Chen, came forth with the ancient and unparalleled divine technique. He cultivated his martial veins, survived the thunder tribulation, merged with the spirit blood of true beings, and shook the six harmonies and the eight desolations with his martial prowess. He roamed the myriad realms and heavens, fighting across the world with the secret realm of billions of stars that were eternal and undying!An endless trove of treasures, worlds of bizarre wonders, sects, ancient clans, fairies, witches, friendships and enmities, and heated battles—all of it was contained therein.

The god king of Xiaoting in the upper realm fights down, and the spirit of the mixed dragon spirit is reincarnated on the earth, runs rampant in the city, and then fights in the sky.

Those who obey me prosper, those who oppose me perish!

- Description from novelbuddy

After dying as a college student, Kain wakes up in a magical world where people form bonds with spiritual creatures to fight alongside them. Determined to rise to the top, he relies on a System and loyal companions.Everything seems to align with his ambitions—except the spiritual creatures he can contract seem to be remarkably…strange

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