MTL - I Try To Become An Immortal Through Mortal Science - Chapter 20 extracorporeal circulatory system

Her – a glutton without troubles or worries who crossed over and became a young fat chick with a deep vengefulness.

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

Chi Xiaochi: fourth-rate citizen at birth, three-time award-winning film emperor, second-rate temper, first-class looks. He crawled his way out of hell on hard mode to become a winner at life.