Villain : Nonchalant Greedy - Chapter 17: Follow The Roots

“There are no heroes in war, only monsters.”This was an outlook that Sato Katsuro, a man in service to the military, formed after being broken down by years of gore-filled battle.It was an outlook that he took even to his grave...but what about beyond it?Reincarnated into a new world of fantasy and tasked to be the very thing he'd given up on becoming, Sato would have to fight a new war. A war between mankind and an oppressive enemy regime run by a cohort of demons.But, as Sato learned in his past, war wasn't always what it seemed. In war, truths were lies, friends lurked as enemies, and the so-called heroes...they were often the villains.

Kim Hyun Woo lived the life of the wealthy thanks to his parents. But one day, he received a phone call informing him of a traffic accident which involved his parents. His father had died and his mother was hospitalized in critical condition. The normal life he once knew, collapsed…

They sold their house, cancelled various insurance plans, and moved to a one room apartment. And after a few years, Hyun Woo spends four to six hours tending to his mother and worked to pay for her medical bills.

One day, one of his Instructors recommended him for position in a company called Global Exos, who made an announcement of making history with the newest technological invention.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Once a mortal from Earth, Liora was reborn on the banks of the River of Oblivion — as a Devil.Just when she was worried about her future, a System awakened within her, granting her the power to grow stronger by devouring souls.From that moment onward, the rise of the Devil Empress began.Countless years later, her name echoed through the universe, accompanied by many titles.Devil Empress. Mother of Despair. Daughter of Calamity. Queen of Ruin. The Endbringer. The Primordial Sin.TAGS: Overpowered, Yuri, R18, Slight Romance, System, Dark, Villain, Devil, Action, Adventure, Reincarnation, World Hopping