[Mecha+different world+black belly]
He worked as a licker for three years, in exchange for saying "Don't give him a good look."
The moment he fell into the cave, Chen Ze thought he was finished.
Until a blue crystal was activated by his blood - "Commander of Ultron Mechanical Civilization, certification completed."
From then on, Zero Realm Armor was added, and the torrent of steel took shape. And he has only one goal - to return to Earth.