Red Shadow, created by Mitsuteru Yokoyama, is a ninja who wears a red-and-black costume and a stylized red mask. His adventures take place in Feudal Japan, and he and his ninja sidekicks Aokage and Shirokage fight evil warlords, wizards and daikaiju using modern high-tech gadgetry (a blatant oddity in a period setting). (Source: Wikipedia)

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.

This project recompiled the television series (from the Asemu arc onward) to focus on the characters Asemu Asuno and Zeheart Galette.

Episodes 14 and 15 of Gunslinger Girl: Il Teatrino.