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.
寺島拓篤
as Albireo (voice)
阿部敦
as Hokuto (voice)
梶裕貴
as Nile (voice)
堀江一眞
as Regulus (voice)
森川智之
as Chiron (voice)
小野大輔
as Medius (voice)
加藤英美里
as Spica (voice)
