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.
Takuma Terashima | Albireo (voice) |
Atsushi Abe | Hokuto (voice) |
Yuki Kaji | Nile (voice) |
Kazuma Horie | Regulus (voice) |
Toshiyuki Morikawa | Chiron (voice) |
Daisuke Ono | Medius (voice) |
Emiri Kato | Spica (voice) |