Harem Startup : The Demon Billionaire is on Vacation - Chapter 109: Trap

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

In the apocalypse, Bai Junjun and her arch-enemy wiped each other out fighting over resources.When she opened her eyes again, she unexpectedly found herself in ancient times.The apocalypse's big shot had turned into a refugee fleeing famine.War, famine, plague, bandits... dangers lurked everywhere.Fortunately, her Special Ability had followed her.The Wood-series Ability was incredibly useful in fleeing war and famine.Facing famine, a flick of her fingers made food grow wildly.Facing plague, by casting a Healing Technique, she became immune to all diseases.Facing bandits... as long as... as long as she aligned with the strongest Seven-Person Team, who would dare to attack?There was just one problem—the leader of the Seven-Person Team was her ex-fiancé, who was one foot in the grave. That was a bit awkward.They used each other for their mutual benefit,She provided food, and he ensured her safety.But... the ex-fiancé was a bit of a glutton, wasn't he?Until an accidental intimate encounter,Bai Junjun suddenly saw a vast Space.Wait a minute!The food that she had grown with her Special Ability... was it all in here?This guy actually had a Space!...They broke off the engagement at the height of prosperity, and they reunited amidst chaos.When both the male and female lead have changed their hearts...Two max-level bosses meet on a narrow path in ancient times, eventually joining forces in a story of internal spiraling competition.

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.