Vatican City—Holy Land of the Catholics. Amidst the land, there is an organization that conducts rigorous investigations on "claims of miracles" from all over the world to ascertain their credibility. The organization is referred to as "Seito no Za" (Assembly of Saints) and the priests that belong there are called miracle investigators. Robert Nicholas, an ancient archive and cryptanalysis expert is partnered and good friends with Hiraga Josef Kou, a genius scientist. Together, the brilliant duo investigates the "miracles" and uncovers the incidents and conspiracies hidden behind them.
Nobuhiko Okamoto
Joseph Kō Hiraga
Junichi Suwabe
Roberto Nicholas
Masashi Ebara
Archbishop Saul
Soma Saito
Lauren Di Luca
Hiroki Yasumoto
Bill Suskins
Koji Yusa
Priest Julia
