The surge of demonic activity around the world has the Knights of the True Cross worried. An important meeting at the Vatican will have serious effects on the lives of Rin and his Exwire friends. Back at True Cross Academy, the students get a sense that something is brewing with the arrival of an unexpected and unconventional new instructor! Meanwhile, Yukio struggles to understand the strange fire in his eyes, a fire he has kept secret from everyone. Can he confront the flames inside him alone, or will they consume him?

Reads from right to left. Translation of: Ao no ekusoshisuto. 16.