Naruto: Can't Use Ninjutsu? I'll Create the Strongest Fighting Style - Chapter 7: Chakra Needle, Leading the Operation

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.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

France, 1934. The scars of the Great War still shape the military minds of the Third Republic. Trapped in the past, its generals place their faith in fortifications and defensive warfare, while across the Rhine, a new German army rises, faster, deadlier, and ready to crush everything in its path.Into this world awakens Captain Étienne Moreau, a man who should not exist. He remembers another life, one where France falls in 1940, where German tanks storm through the Ardennes, bypassing the Maginot Line. One where his country surrenders in a matter of weeks.But here, now, he has a chance to stop it.As an officer in the 2nd Armored Division, he fights for reforms: pushing for mobile tank warfare, warning of Hitler’s growing ambitions, and challenging the high command’s obsession with World War I tactics. Yet, his ideas are dismissed as radical, madness from a young officer who “thinks he knows war.”Surrounded by political intrigue, military infighting, and rising fascism, Moreau must carefully navigate the system, winning allies among future leaders like Charles de Gaulle, while avoiding suspicion from the French High Command. His knowledge is a double-edged sword, if he is too aggressive, he risks being labeled a traitor. If he does nothing, he will live to see France burn.As war draws closer, Moreau faces a terrifying question: Can history be changed? Or is France doomed to fall, no matter what he does?Time is running out. The Blitzkrieg is coming. And he may be France’s last chance to fight back.

The world-class online game launched by the United Nations in 2020, Tianlin, is officially launched at the same time in all countries of the world.

Su Ye was born again from 2025 to 2020, and he kept all the main developments in the past five years.

What? You only have a black iron weapon, I have a bronze suit.
What? The gold level of your pet, sorry, my god is a pet!
What? A bottle of pharmacy 1 gold coin is too expensive, the boss gave me ten barrels!

Su Ye Li Zhi: Since you are born again, you have to be the strongest player!

- Description from uukanshu (translated)