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.
With inexplicably heavy heart, Amara went to her rented lodging to stay the night. Being left alone at the table facing the receptionist's desk, Grey asked the gloomy princess, who was sitting beside him, "Are you okay?"
"Yes, Oppa.
"It just surprised me; I don't know how to feel." Princess Quintella replied, her voice sounding vulnerable.
She then asked, "Have you known about it, Oppa? Her relationship with me."
When Princess Quintella was barely seven years old, Amara von Vael considered her as a little sister. They had met several times in frequent noble banquets arranged by either the Great Emperor himself or other nobles with high positions such as the Patriarch of the Vael Household.
At that time, Amara was still roughly twice the little princess' age.