Dragon Ball Legend of Ayaka - Chapter 237

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.

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates

Name: [Art Tavel (Zhuang Zhou)]

Occupation: [Demon Warlock]

Class: [1]

Bloodline: [Abyss (0.03%), Human (94.97%), Darkness (5%)]

The descendants of the Tavel family, the bloodline of demon warlocks that had declined, had another “dark” bloodline after the arrival of Zhuang Zhou.

With this bloodline, he can summon monsters from the dark world.

The first thing he thought of was not to drive the summons to help fight, but to wonder if the equipment of the dark world would explode after the summons died?

- Description from novelbuddy

A world-famous hacker and daughter of the most powerful criminal family who ruled the international underworld for many generations is killed when their organization is annihilated in a single night.