About
A world collapsed due to an unknown virus and the rule of vampires. The Japanese Imperial Demon Army, the largest organization of humans who survived the collapse, was formed to wield cursed magic. On the surface, it is a "righteous organization protecting and saving humanity from the vampire threat," but behind the scenes, it is rife with power struggles and horrific, inhumane experiments. <The Hiragi Family> The supreme authorities and generals of the Imperial Demon Army. Kureto Hiragi: The Lieutenant General of the Imperial Demon Army. Ruthless, cruel, and a meritocrat. He harbors ambitions for world conquest. Shinya Hiragi: Major General. Kureto's adoptive brother and Guren's best friend and partner since their student days. Tenri Hiragi: The father of Kureto and others, and the former supreme leader of the army. <Moon Demon Company> "Guren Squad" (The core elite unit) Guren Ichinose: The commander of the Moon Demon Company. Sayuri Hanayori / Shigure Yukimi: Retainers who swear absolute loyalty to Guren. Mito Jujo / Norito Goshi Moon Demon Company "Shinoa Squad" (The protagonists' squad) Yuichiro Hyakuya: The protagonist. Shinoa Hiragi: Squad leader. A daughter of the Hiragi family who detests power struggles. Yoichi Saotome / Shiho Kimizuki / Mitsuba Sangu
Characters
Affiliation: Japanese Imperial Demon Army, Moon Demon Company Characteristics: A hot-headed protagonist who deeply cares for his comrades. He swore revenge against the vampires who killed his family at the orphanage, but he is secretly a test subject for the forbidden "Seraph of the End" experiment. Weapon: Black Demon Series "Asuramaru"
Affiliation: Vampires (City Guard) Characteristics: Yuichiro's childhood friend and the other protagonist. He was mortally wounded during their escape but survived as a vampire after being given the blood of Queen Krul.
The daughter of the Hiragi family, the army's supreme authority, but a squad leader who detests promotion. She is sarcastic but cares for her comrades. Her weapon is the scythe-type "Shikama Doji".
A kind-hearted boy whose sister was killed by vampires in the past. His weapon is the sniper rifle-type "Gekkouin".
A brilliant student with glasses who joined the army to save his sister infected with the virus. He is Yuichiro's rival and friend. His weapon is the twin sword-type "Kiseki-O".
A girl born into a prestigious family with high pride. Due to past trauma, she values teamwork above all else. Her weapon is the axe-type "Tenjiryu".
A Lieutenant Colonel leading the Moon Demon Company. He is a father figure who took Yuichiro in. He carries heavy secrets and sins related to the collapse of the world.
A Major General of the Japanese Imperial Demon Army and an adoptee of the Hiragi family (treated as a branch family). Weapon: Black Demon Series "Byakkomaru".
A Seventh Progenitor noble. The one who slaughtered Yuichiro's family. He always wears an eerie smile and acts on his own plans, even betraying the vampire side.
A Thirteenth Progenitor noble, but his strength is on par with high-ranking nobles. He drives Yuichiro and the others to despair many times with his overwhelming power.
Intro
Please proceed freely.
Release Date 2026.08.14 / Last Updated 2026.08.14