King of Assassins - Chapter 34 Battle Armor

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Kitazawa’s grades at the Ninja Academy had always been mediocre.Uchiha Itachi graduated at seven; he barely scraped through at thirteen.Uzumaki Naruto became the savior of the ninja world at seventeen; at that same age, Kitazawa was still struggling to make Chunin.In this harsh world of shinobi, Kitazawa was what people called a fodder ninja: no talent, no bloodline, and no backing.To stay alive until the story’s grand finale, he’d chosen the safest path—teaching at the Ninja Academy, a job he’d held for five years.“Another peaceful day in Konoha.”Kitazawa rose from his seat and walked to the window.It was enrollment day again, and the training grounds were buzzing with life.He glanced down at the stack of new student files in his hands. Names leapt out at him, all too familiar:Uzumaki Naruto, Uchiha Sasuke, Hyuga Hinata, Ino Yamanaka, Sakura Haruno, Akimichi Choji, Nara Shikamaru, Inuzuka Kiba… and more.'DING''Host has reached age six and successfully enrolled in the Ninja Academy.''Activating the Strongest Shinobi System.'

Shen Ningning died of exhaustion after being dared to run a marathon. She transmigrated into a savage, unfamiliar world where humans struggle to survive among beasts. Before she could despair, she discovered she was bound to the Peak Body Survival System.The system believes survival is nothing more than physical training. Hunting, fleeing, gathering food, and even fear are all treated as endurance tasks, with failure punished mercilessly. Trapped in a dangerous world and forced to follow the system’s rules, Shen Ningning can only struggle to survive one day at a time.Her situation worsens when a powerful snake beastman claims her as his mate and refuses to leave her side. As danger closes in from both the wildlands and the system itself, Shen Ningning must find a way to live in a world that demands strength—whether she is ready or not.

In the beautiful comic world, superheroes are infinitely beautiful.

Mutants who also have super powers are extremely sad.

Lynn came across time and became a student of the Academy of Mutants with the ability to create magic.

Apparatus, Avada Kedavra…

Glacier Spikes, Ember Storms…

God Slayer Magic of Fire, Dragon Slayer Magic of Thunder…

True mirror image, dimensional leap, elemental mysteries, time stillness…

After ten years of accumulation, Lynn has mastered countless splendid and terrifying magics, but he knows very well that it is meaningless for Professor X to let the students act as thugs to save the world in order to allow humans and mutants to coexist peacefully.

The only way to change the living environment of mutants is to increase the right to speak!

Where does the right to speak come from?

Strength is the foundation!

Money is on the left, power is on the right!

So, he approached Professor X and proposed a package plan to establish a mutant consortium and gain power through money:

The first step is to create “Oasis” and create a second world!

- Description from novelbuddy