Reincarnated With The Extraterrestrial System
On one fateful day, when everyone went on with their mundane lives, the Earth was found in the Dark Forest known as the universe, resulting in unknown extraterrestrial beings preying on the weak — the humanity.
Grey, an intern, was then killed due to an alien invasion, only to find himself reincarnated in the mysterious world known as Magica.
But wait...
"I've become an alien?!"
Integrated with a mysterious entity known as the Extraterrestrial System, follow Grey's journey as he begins to seek the mysteries of the world while gradually, slowly, but surely building his Alien Empire despite being surrounded by powerful existences such as Heroes, Demon Lords, and other magically powerful beings.