Synopsis
Quadruplets arrived at House Rainberg.
Each one turned out to be something else entirely.
The eldest commanded the Murim world.
The second held dominion over the Demon realm.
The third was a celestial being sent down from the heavens.
All of them were former invaders—ones who'd tried to conquer Earth in their past lives.
"What were you, then?"
Being the youngest among them…
"Cantavia"
I was the one who'd defended Earth instead.
