異域之鬼 / Iiki no ki Series by Kaori Yuki, 由貴香織里

An imperial capital in an era of splendor and romanticism...Orphaned in an earthquake, Sorath is taken in by Baron Kamichika, the lord of "Blood Blossom Manor." There, he pledges eternal friendship with Garan, the Baron's heir, and Kiyora, Garan's fiancée. But their friendship turns grisly by events none of them could foresee... moreAn imperial capital in an era of splendor and romanticism...Orphaned in an earthquake, Sorath is taken in by Baron Kamichika, the lord of "Blood Blossom Manor." There, he pledges eternal friendship with Garan, the Baron's heir, and Kiyora, Garan's fiancée. But their friendship turns grisly by events none of them could foresee. The tender feelings each secretly harbors, the machinations of Baron Kamichika, and his strange and seductive female companion, and a fateful encounter with a young girl with bizarre powers...all draw them to the Walpurgis Night and the nightmare's climax! less

From the ultimate nightmare that is Walpurgis, Sorath escapes to modern Japan. There, he lives in an unconventional household that includes Nonoha, the daughter of his dearest friend, and Mephistopheles, the Lord of Hell, who bides his time for a chance to kill his master. This time, these hands will protect my loved ones! That's Sorath's wish, but somehow Nonoha is slipping through his fingers. Will Sorath's hands once again be stained by the blood of the person he most cherishes?

With Nonoha spirited away by demons, Sorath infiltrates their territory only to find himself bearing witness to a horrific public execution dubbed the "Divine Judgment." Surrounded by countless sacrifices, reeling from Leice's betrayal, and faced with his beloved Nonoha having been taken hostage, Sorath's memory is rekindled, and the night when he lost his dearest friend comes rushing back to him. Will Sorath clash once more with the fearsome being who preys on human lives, the Lord of Terror?!

During the age of romanticism in Japan, the capital was leveled to the ground by a powerful earthquake. One of the many orphans it left was Sorato, who was taken in by Baron Kamichika. In his new home, the “Blood Blossom” Estate, Sorato meets the baron’s heir, Garan, and his fiancee, Kiyora, and the three swear their eternal friendship. But that promise is soon showered in blood because of secrets and desires nobody could have ever imagined to exist…

(Volume 3)With Nonoha spirited away by demons, Sorath infiltrates their territory only to find himself bearing witness to a horrific public execution dubbed the "Divine Judgment." Surrounded by countless sacrifices, reeling from Leice's betrayal, and faced with his beloved Nonoha having been taken hostage, Sorath's memory is rekindled, and the night when he lost his dearest friend comes rushing back to him... more(Volume 3)With Nonoha spirited away by demons, Sorath infiltrates their territory only to find himself bearing witness to a horrific public execution dubbed the "Divine Judgment." Surrounded by countless sacrifices, reeling from Leice's betrayal, and faced with his beloved Nonoha having been taken hostage, Sorath's memory is rekindled, and the night when he lost his dearest friend comes rushing back to him. Will Sorath clash once more with the fearsome being who preys on human lives, the Lord of Terror?! less

At long last.........the final showdown is nigh......When he realizes that his erstwhile friend has become warped enough to use his own daughter as a pawn to further his own aims, Sorath resolves to fight Garan... moreAt long last.........the final showdown is nigh......When he realizes that his erstwhile friend has become warped enough to use his own daughter as a pawn to further his own aims, Sorath resolves to fight Garan. From Kiyora, the tortured living sacrifice of the great Lord of Terror's seal to the traitorous Leice to the imprisoned Nonoha--many fates hang in the balance as a century of resentment and intrigue comes to a head in the climactic battle at the Ziggurat, the gateway to the netherworld!The black-magic fantasy peaks with explosive intensity in its final volume! less