is a Japanese manga series written by and illustrated by . It was serialized in Ichijinsha's manga magazine Monthly Comic Zero Sum from October 2009 to February 2018, with its chapters collected in fifteen volumes as of July 2018.

Seven Seas Entertainment licensed the manga for an English-language release in North America; they published the fifteen volumes between April 2014, and March 2019. An anime adaptation was animated by Doga Kobo and aired from July 2013 to September 2013, licensed in North America by Sentai Filmworks.

Plot Arcadia, 1999. Seventeen-year-old Ein Schwert, a genius aristocrat, learns of his family's bankruptcy and summons a god, Susano'o, in order to pay for his tuition. Susano'o reveals to Ein that he is the Summoner who can choose the interim ruler over Hell while its permanent emperor, Izanagi goes on temporary retirement. Win is also a descendant of King Baldr, who had powers over Gods by means of the Lesser Key of Solomon#The Seventy-Two Demons. Ein, who is a scientific realist, does not believe in Gods and refuses to become involved with the power struggle in Hell. Susano'o decides to Shadow Win until he is chosen as interim king. The former is joined by Amaterasu Ōmikami and Tsukuyomi-no-Mikoto. Other powerful figures learn of Ein's heritage and plot to use him to their benefit. Ein is involved in a war between Hell and Heaven while.

Characters Main characters

The protagonist and the reincarnation/descendant of King Baldr Ein is the orphaned son of a Japanese noble family that's older than the Japanese royal family and takes great pride of his family's lineage. Highly intelligent, Ein has been the top of his class three years running at Schwarzchild and is also a fifth-year prefect. Despite his family's bankruptcy, he maintains lofty dreams of high-class society for his future, though he constantly worries about how to pay for his school fees with his considerable financial situation. He considers himself a realist at first.

Neun is the butler and general manservant to Ein and his family has served the Schwert family for many generations. Neun enjoys gambling and sometimes make bets on his master, which irritates Ein and result in being punished. As the only servant that stayed with Ein after the Schwert family bankruptcy, he looks after the mansion and tends to his master needs, but he later replaced Arnold Kreistein as priest at Schwarzchild School when he was debilitated. Unknown to Ein, Neun's real name is , the demon known as the Demon of Repentance and Cruelty, and had history with Baldr, tasked with punishing him for rebelling against God and tried to ascend his soul to Heaven, which he failed at.He has been impersonating the real Neun Weiss since the death of Ein's parents. His demonic form is now marked by the absence of a wing, taken by the Grand Devil Satan, and holds much influence among English churches. Once Ein learned that he was not the real Neun Weiss, he eventually comes clean about his true identity to Ein, who forgives him for his lies.

Susano'o is the Daishogun of Hell, commander of the 36 armies of Hell and a Nephilim god candidate to succeed the throne of the god world while Izanagi slumbers. He is the 71st pillar of Baldr's 72 pillars, and is followed by two crow-familiars, Yatagarasu and Hoō. Having annihilated an entire tribe in his past life, Susano'o became a god after contracting with Izanagi and become known as "The One Who Plays the Flute". As the only contractee Izanagi ever had, Susano'o is Izanagi's direct descendant and possesses powers that could surpass the Four Kings of Hell. While disguised at Ein's school, he calls himself "Susano'o Reinhard" and participates in various sports, making him popular with the jocks.

As a demon, Amaterasu is a pure god, and thus looks down upon god that were formerly human. The 12th pillar of Baldr, and also a Samurai and Prince of Hell who reigns over 60 armies of Hell. He is also a candidate nominated to succeed the throne by his abusive and controlling uncle, Kagu-tsuchi. It was later revealed that Amaterasu's mother is Lilith and that he was never a demon, rather his uncle sealed his demon powers and deceive Amaterasu and everyone that he has fallen. beelzebub eventually captures Amaterasu and takes him back to Heaven, brainwashing him into taking over his mother's mantle as the new "Lilith". In his true form, Amaterasu has the face of a phoenix and wings of a bird, and can take the form of a handsome man or beautiful woman. He has the ability to stir up human desire and make women show themselves naked if he desires. While disguised at Ein's school, he calls himself "Amaterasu Obermayer" and is treated like a princess at Schwarzchild School because of his beauty.

A god general, Tsukuyomi is the 53rd pillar who commands 30 armies and a Great Kannushi of Hell. He is a half-god, born from the illegitimate union of his human mother, Princess Valkyrie of Hamelin, and Izanagi, therefore possess power surpassing the Four Kings. His human form is that of a young man holding a Katana, but his true form is that of a Robin. He can tell his summoner what birds and animals are saying, as well as the meaning behind the sound that water makes. He is a candidate for substitute king nominated by Bishamonten. At Schwarzchild School, Tsukuyomi goes under the alias "Drei Tiberus" and is the Head Boy, who Ein admires.

Vier is a friend to Ein at Schwarzchild School and has a heavy interest in the arcane and occult arts. Although Vier and Ein have contrasting personalities, they are good friends and Vier takes part in the supernatural surrounding Ein with joy. While not as intelligent as Ein, Vier has more knowledge about the god world and shown to be more skilled in using magic than him. He is descended from merchants and his father gained a fortune trading spices and tea from India.

Demons

Takemikazuchi "Blackbeard" no Kami was the previous incarnation of the murderous general of Jeanne d'Arc, his full name being: "Shogun no Ame and Count of Ohabari, Takemikazuchi no Kami". Takemikazuchi has been dead for around 400 years, and is currently a Nephilim subordinate to the Great God Shogun Kagu-tsuchi. He is in love with Izanami and seeks power in order to break Satan's hold over her and make her human again.

A Pale-skinned woman, Benzaiten is the Southern Grand Shogun of Hell, and the leader of 40 armies. A grand god considered to be as strong as Bishamonten, she is ranked 29th in Hell. She is also the former wife to Bishamonten, mother of Kisshoten, and the leader of the Nephilim. She is also the guardian to Susano'o, as well as the one who nominated him as a candidate for substitute king. Her previous incarnation was the Queen of Egypt Isis, who died of cavities, and an ancestor of Baldr's. As the war between Hell and Heaven escalates, Benzaiten goes to rest to restore her power and prolong her lifespan, leaving Susano'o without any support.

The Western Shogun and leader of the Anti-Nephilim faction, he chose Amaterasu as his candidate for substitute king. Although Amaterasu is his nephew, he treats him poorly, considering him as his "puppet", and was the one that caused Amaterasu to become a god.

The Northern Shogun and former husband of Benzaiten, Bishamonten is a top-level god who commands 16 armies, one of the kings of the four corners of the world, and one of the seven god kings. He chose Tsukuyomi as his candidate for substitute king.

The Eastern Shogun and Chief Shinobi of the god world, Ebisu is the only king that has not chosen a candidate for substitute king as he is more loyal to Izanagi and continues to carry out his orders, setting numerous plots into motion.

Kisshōten is 77th in the God-like hierarchy with a court rank of princess. She is greatly infatuated with Susano'o, going far as claiming to be his fiancée. She is the daughter of Benzaiten and Bishamonten, currently under the care of her mother and takes orders from her. and (Yatagarasu), Kappei Yamaguchi (Hoō) Black crow Yatagarasu and white phoenix Hoō are Susano'o's familiars and acts as his informants/observers when concerning Ein's status and liaisons to Hell. Although they adore their master and fear his temper, they are not above dragging Susano'o back to the god world to fulfill his duties.

Jurōjin is a black-furred wolf butler of Susano'o and an ashigaru. He looks after Susano'o's home, and can cook delicious food and desserts.

Fukurokuju is a white-furred fox butler of Amaterasu and rival to Susano'o's butler, Jurōjin. Like Jurōjin, he can cook delicious food and desserts.

Kanayagokami is the 15th pillar of Baldr with the rank of Daimyo, commander of 60 armies, and subordinate to Bishamonten.

The emperor of Hell and a demon, Izanagi rebelled against God and was beaten down by his brother Satan and sent to Hell. To preserve his eternal life, he must rest periodically and in that period, a substitute king is named.

Humans

King Baldr of Eden was the illegitimate son of Odin, and spent his childhood imprisoned and learning to use magic and summon gods. Baldr was known for his master intelligence, hailed as the greatest wise man in the world and the one blessed by God. Although Baldr was beloved by his people, he spend his time with his gods and got along peacefully with many of them, and even had a deep bond with Izanagi. He was particularly close to Susano'o, who was his first god and was killed by him upon his wishes.

Elf is another friend and fellow prefect to Ein at Schwarzchild, they usually do favors for each other and Elf sometimes covers Ein when he disappears. Unlike Vier, he has no knowledge about the god world that surrounds William, but was involved with an incident relating to gods after his father make a contract with Kanayagokami.

Arnold Kreistein is the former pastor for the Schwarzchild church and member of the "Ain Soph Aur," a special organization of exorcists.

A magician, former member of the "Hand of God" and Count of Glenstrae, Mathers wishes to strengthen the human race to prevent demons and angels from using them. He took the position of a teacher at Stradford School in order to teach William how to use magic, and even allowed Isaac to practice with them.

Maria Mollins is the former dormitory mother of Stradford School, and was considered to be a strict but caring woman with students. As a young girl, she met Camio and learned of his demon heritage. She fell in love with him, but Camio disappeared to protect her from the demon world. She is reunited with him years later and then left the school due to lung problems, but Camio visits her frequently.

Adrian Swallow was the father of Mycroft Swallow and a baron politician. After an accident that should have caused him to die, he made a deal with Eligos for his soul to live longer, but was eventually destroyed by the exorcists.

Elizabeth is the proposed fiancée for Mycroft Swallow, whom she calls "Mike". She is an American with a loud demeanor, which causes her to be ridiculed by the high class women of England.

Elliot Eden is an intelligent boy at Stradford School that comes from a line of reverends, and was possessed by Michael in order to meet William at school.

Barton Twining is the uncle of William Twining, and was in charge of William's assets after losing his parents and took him under his care. He is also an archaeologist and funds archaeological digs. When his business fails and goes bankrupt, the debt collectors take all possessions from the Twining estate and he disappears after the bankruptcy.

Angels

Michael is a cruel and devious archangel, the Chief of Angels and "The One Who Resembles God". He is the brother of Lucifer and plots to make sure his brother does not return to his throne and make William into a pawn for Heaven. Since he is active and giving orders to Kevin, he is fading from lack of rest.