Bleach: Animus Arma

Five years after the Thousand Year Blood War, the Three Realms are now at peace. But during one of his research, Captain Mayuri discovered the existence of another Universe and sought to explore it. New species. New possibilities. New research materials. New everything! Gods? Dragons? Devils? Sacred Gears? Captain Mayuri wants it all! Now, how should he convince the Captain Commander to send people to explore this Unknown Universe?