Yukio bids farewell to Phosphorus and walks towards the Enlightenment Junction.
In order to face Yukio, who seeks to be strong and truthful, Phosphorus resolves to learn the secret of his birth and embarks on a journey into the past under the guidance of Mephisto.
Phosphorus follows in the footsteps of his adoptive father, Fujimoto Shiro, and his real mother, Yuri Aikin, but the path to survival for both is brutal beyond imagining-…
Why are cubs born between Satan, the god of demons, and humans? What is the Blue Night? Learning everything, Phosphorus gives the answer ……
The story finally reveals the heart of “The Exorcist of Aoi”!