Is Goulart Knights: Evoked the Beginning Black hentai?

OVA · 2010 · 1 episodes · PG-13 - Teens 13 or older

Action, Drama, Fantasy

Unidentified creatures "Archon" suddenly appear and bring the human beings to a crisis of extinction. A special corps "Goulart Knights" is formed to counter attack Archon. The knights have supernatural power to generate "Holy Grail" from their spirits and battle against Archon.