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.

Haruka Shinozaki has been interested in the class representative, Akiho Kousaka, since his first year in high school. She is attractive, good at sports, and is an all-around model student. Since they are in the same class this year, Shinozaki decides to confess his feelings—and, to his shock, Kousaka agrees to be his girlfriend! However, […]