Deadly Sins of Evil: The Lunacy of Duke Venomania

Deadly Sins of Evil: The Lunacy of Duke Venomania is the first Deadly Sins of Evil light novel, released on December 22, 2012. The novel was written by Akuno-P and primarily illustrated by Ayumi Kasai. It covers the events of The Lunacy of Duke Venomania.

Publisher Summary
The Lunacy of Duke Venomania?

"Now, let's dance in this harem"

The music was posted on Nico Nico Douga in July, 2010. Using Camui Gackpo as the main vocals, other VOCALOIDs were tailored throughout the musical. The song with the theme of "Lust" in the Seven Deadly Sins series, staged in a world with Medieval European style, it depicts the life of the Duke that was drowning in the lunacy of his contract with a demon.

Plot Summary
''Note: This summary is incomplete. We apologize for this inconvenience.''

I.R., a powerful sorceress, was a girl born with Hereditary Evil Raiser Syndrome; after the destruction of Magic Kingdom Levianta, she searches to create more Hereditary Evil Raisers in the world, taking a sin vessel and the girl Haru Netsuma for her purposes. In EC 136, I.R. approaches the Venomania Mansion, in the hopes of influencing Duke Ilotte with the vessel, a sword. After no one answers the door, I.R. enters on her own and finds the mansion strewn with the corpses of the former staff; she enters the lounge and discovers the murderer about to take his own life. After stopping him, I.R. discusses the man's motives for the murders, finally offering him use of her vessel of sin. Encouraged by the voice of the Demon of Lust, the man makes the contract.

Some time later, Duke Sateriasis Venomania staggers through the Lasaland New Year's Festival in a tattered state and collapses; a single woman comes to his aid. The woman, Lukana Octo, was a resident of Mystica who had had a prophetic dream which saved her hometown ten years previous. Now, Lukana waits for the Duke Sateriasis Venomania to wake up in her uncle's tailor shop. As the duke wakes up, Lukana speaks to him on his health and the mysterious murders that resulted in Sateriasis becoming the new duke. Soon, Lukana's uncle also enters; after giving the duke a new set of clothes, he informs his niece of a rumor that Sateriasis had lost some of his memories. After the duke finishes changing, Lukana walks with him back to his mansion.

Several hundred years later, the Venomania Event has been all but forgotten by history. In this era, having just returned home to visit his daughter, Gallerian Marlon is visited by Gammon Octo. The two argue over Gallerian's conviction of the man's brother, Nyoze, and Gallerian sends him away. Once alone, he enters his daughter's room and finds Ma sitting next to Michelle. Per her request, the judge retrieves the Venom Sword from his warehouse. The two discuss their progress in collecting the sin vessels, and Ma prepares to depart, reminding Gallerian to hold on to the spoon she gave him to speak with Michelle. As Ma exits the room, she hears Gallerian having a one-sided conversation with Michelle and then leaves, amused.

Appearances
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Principal

 * Sateriasis Venomania
 * Gumina Glassred
 * Mikulia Greeonio
 * Lukana Octo
 * I.R.
 * Elluka Clockworker
 * Maylis Beelzenia
 * Kachess Crim

Other
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 * Annlee Sweets
 * Aprilis Beelzenia (first appearance)
 * Carol Shields
 * Febria Beelzenia (first appearance)
 * Ferdinand (first appearance)
 * Gallerian Marlon
 * Gammon Octo
 * Hakua Netsuma
 * Haru Netsuma (first appearance)
 * Ilotte Venomania (first appearance)
 * Ilotte's second wife (first appearance)
 * Janus Beelzenia (first appearance)
 * Josephine Francois
 * Jupiter Beelzenia (first appearance)
 * Lazuli Blue
 * Lilien Turner
 * Lolan Eve
 * Lukana's uncle (first appearance)
 * Ma
 * Martius Beelzenia (first appearance)
 * Marquis Glassred (first appearance)
 * Mewtant Lusha
 * Michelle
 * Mickina Olliba
 * Mirigan Adi
 * Neruneru Nerune
 * Nyoze Octo (first appearance)
 * Priema Soap
 * Rajih (first appearance)
 * Rindo Blum
 * Rio Neja (first appearance)
 * Sateriasis Venomania (first appearance)
 * Seth Twiright (indirect mention only)
 * Sonika Sonic
 * Tette Cetera
 * Toy Conchita (first appearance)
 * Turner (first appearance)
 * Witnis Truth (first appearance)
 * Yufina Marlon
 * Yuki Kaina

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Conceptualization and Origin

 * While writing the light novel, mothy attempted to keep the original image of the song while not impairing the setting, but prioritized making the tale entertaining.
 * Originally, more in-depth stories concerning Gumina as well as Rindo Blum and Josephine Francois were intended to be included but were later scrapped due to the amount of text they would add.

Curiosities

 * As part of the novel's release, a manga preceding the book's plot was published.

Gallery
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