Leochrupidis: Minus One

There were barriers-barriers that extended upward endlessly. What lay beyond these barriers remained unbeknown to humanity. Yet, from beyond them emerged unimaginable entities known as Partians. They were eerie, aberrant creatures-often anthropomorphic, but imbued with unnatural strength. An amalgam of both human and animal genes, they far transcended the frontiers of human capability.
Seemingly, they were deemed to be humanity's gravest enemy. Within the barriers, that was.

That day-after the invasion-everything changed. Sent away from danger, Kisatsu woke up in an unfamiliar room three days after the invasion had taken everything from him. A nation away from home, facing all odds, he swore to retrieve his older brother-everything he had left.