A Military Doctor Became a Stepmom in Ancient Times - Chapter 415 - Sin

In the age of Mecha for everyone, people could travel to the Endless Abyss to gather materials, enhance and forge their own Mechas, and thus wield the power to destroy heavens and earth.Jiang Chen had transmigrated and awakened the talent [Undying Barehand]. Once his Mecha shattered, he could permanently absorb its power and attain a multiple enhancement.…At the bottom of the abyss, the ancient demon god exerted great effort and finally broke the titan Mecha, but from the shards extended a hand that held down its head.“Congratulations, you’ve unlocked my restraints.”

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

An unrighteous and a cold hearted man. a villain who struggled from the bottom to the top of society. to overcome his foes he chose to be ruthless and immoral.In a world full of cruelty Jon Hardy had no intention to hold back.A story of a man who traveled back to 1945 equipped with his knowledge of the future and his profound wisdom, Jon Hardy is determined to pursue his ultimate goal once again.

Reborn as a sword, he lived for hundreds of years, and then he occupied the body of a 15-year-old prince.