Sequel to Ao no Exorcist: Yuki no Hate-hen. 

Yukio parts ways with Rin and makes his way to the Illuminati. In order to face Yukio, who is seeking strength and the truth, Rin decides that he must learn the secret of their birth.
With Mephisto’s guidance, he embarks on a journey to the past. 

Rin traces the footsteps of their adoptive father, Shirou Fujimoto, and birth mother, Yuri Egin.
But the path they took in life was harsher than Rin could have ever imagined…. 

Why were children born between the Demon God Satan and a human? What was the Blue Night? And when Rin learns everything, what will be his answer?
 
(Source: Official Site)

Sequel to Ao no Exorcist: Shimane Illuminati-hen. 

Uncover the dark side of the Knights of the True Cross and the mystery of the "Blue Night"! 

Brothers Rin and Yukio head to Lake Towada in Aomori to search for Shura, who had suddenly disappeared. There, they find Shura’s birthplace – the place where Shiro became her guardian. As their search continues, Rin and Yukio discover the fate that awaits Shura.
 
Meanwhile, Lightning, one of the Arch Knights, arrives at the Japan Branch of the Knights of the True Cross and begins his investigation into the Illuminati. Lightning deduces that everything began on the “Blue Night,” as he gradually steps into the dark side of the Knights of the True Cross….
 
(Source: Aniplex USA)

Raised by Father Fujimoto, a famous exorcist, Rin Okumura never knew his real father. One day a fateful argument with Father Fujimoto forces Rin to face a terrible truth—the blood of the demon lord Satan runs in Rin's veins! Rin swears to defeat Satan, but doing that means entering the mysterious True Cross Academy and becoming an exorcist himself. Can Rin fight demons and keep his infernal bloodline a secret? It won't be easy, especially when drawing his father's sword releases the demonic power within him!
 
(Source: Viz Media)
 
Note: Includes three extra chapters.

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