青の祓魔師　スパイ・ゲエム (Blue Exorcist Spy Game)

Plot

Spy. A general term for those who engage in espionage activities. A person who quickly obtains information on the enemy and leads the situation to an advantage. No matter the means. How did Renzo Shima become a spy, and the reality of his cruel and ruthless training...! Includes the title story "Spy Game" and other secret episodes that can only be read in the five novels! The fourth installment of the popular novel series!