The Hungry Fortress Wants to Build a Battleship in Another World – World of Sandbox - Chapter 9Vol 2. : 565 Days After Transfer: Ringo’s Diary #2

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?

Jang Joonbum started stream to enjoy an easy life.

When Fang Zheng opened his eyes, he was surprised to find himself reborn in a fantasy world of magic, dragons, knights, and princesses. Not only that, but even the game system that Fang Zheng had designed before also followed him into this world. Then, his next step would be to traverse thousands of plains, gain endless strength, become a brave hero, defeat the devil, marry the princess, reach the apex in life… wait, wait, wait, before all that, why was he reborn as someone who everyone called a cultist?

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates