Doom Lord - Power

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.

Three years ago, the animals and plants on Earth underwent crazy and unexplainable changes that included transformations, reversions, and the addition of otherworldly species. And it was the start of a brand-new type of profession in the new generation of humanity – Monster Trainers, people who specialized in taming monsters.

Her boyfriend and her sister tangled together in the sheets, so she turned around and married the fearsome business tycoon, Gideon Leith.

Not only is she a star in her own right, but she's also a publicist and an entrepreneur?

A super racecar driver? A worldrenown gold medalist designer too?!

Just who is this precious hidden treasure of a girl!!!

She went from being pitifully spurned to a goddess looked up to by tens of thousands of people, and her admirers queued from Jincheng all the way to Kyoto.

Mr. Leith, who saw a certain someone's feminine charm, quickly tucked her into his arms.

“Wife, I need to hide you well. You can only belong to me!”

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates