My Muscle System in the Mage World - Chapter 411 Being Chased By Tier Seven Wizards

“No way, Salino, you said that this little guy who killed 300 million pirates in one blow, who is only eight years old this year, is your biological brother?!”

Sengoku Marshal’s office, Akainu, Aokiji, Garp, Sengoku, Crane, all looked confused. “It’s really him!”

Huang Yuan was also shocked and confused, his younger brother was obviously only eight years old, how could he be so fierce? ! At this time, summer is here. Sengoku invited him to join the navy.

“Joining the navy is no problem, I want to be an admiral!”

Red Dog frowned: “General? Just you?” Xia Tian made a decisive move, and sent Red Dog flying with one punch, shocking the audience!

“Yes, it’s just me.”

- Description from novelbuddy

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

Daniel is just a regular blue collar Maintenance Mechanic working for a manufacturing company. As he's winding down at home from a day of messy work repairing a CNC mill, he is surprised by a sudden glow of light beneath him. And, in an instant, his world changes. Literally.Daniel finds himself now in the world of Zenkon, a world of fantasy beings and monsters, swords and magic, and perilous threats to the safety of the world. As if stepping into a fantasy light novel or video game, he has been apparently summoned by a sacred magic spell that requests a hero from the gods, and in reply, they sent Daniel and a young Japanese man named Rikuto.However, Daniel's luck doesn't seem to be good, as it's quickly discovered that, contrary to the nature of living things in the world of Zenkon, Daniel is the only one that possesses no magic or mana, making him immune to many types of magic, both beneficial and detrimental, but not protecting him from direct harm.As such, Daniel will now have to find his way through this world using his own repair and manufacturing know-how, while Rikuto uses his own modern civics and economics knowledge to try to recover the Kingdom of Mornistae in the midst of a large scale global war.Why were they summoned, and by what wisdom did the gods choose to send 'Divine Heroes'; one with magic and the other without, to a world of which the foundation is magic?

Once I’ve become Immortal, then my attempt to conquer the world shall begin.