Takaya Kagami

After trumpets of the apocalypse proclaim the fall of humanity, vampires arise from the shadows to rule the earth. Yuichiro wants just one thing - to get revenge by killing each and every vampire. Yuichiro has no memory of his terrifying but temporary transformation into a one-winged monster during the battle for Shinjuku. The widely feared leaders of the Japanese Imperial Demon Army, however, take note of his squad's unusual talent. Despite the unwanted attention, Yuichiro's resolve to save Mika from the vampires crystallizes as his real training in demon possession and manifestation begins.

After a catastrophic epidemic kills every adult on earth, vampires arise from the shadows to enslave the remaining human population. Yuichiro escapes from captivity and joins the Japanese Imperial Demon Army. But before he's allowed to fight vampires, he has to complete his first, terrifying mission - make new friends with his fellow aspiring monster slayers! Yuichiro and his friends are kept as vampire fodder in a creepy institution masquerading as an orphanage. One day, Yuichiro's dreams of fighting back are realized when the orphans stage a daring escape. But things go horribly wrong, and his dream is kept alive at a cruel price.

After a catastrophic epidemic kills every adult on earth, vampires arise from the shadows to enslave the remaining human population. Yuichiro escapes from captivity and joins the Japanese Imperial Demon Army. But before he's allowed to fight vampires, he has to complete his first, terrifying mission - make new friends with his fellow aspiring monster slayers! Now that Yuichiro has earned his place in the Japanese Imperial Demon Army, he prepares to undergo a fiendish test to acquire the most powerful and deadly of humanity's weapons against vampires - Black Demon Series Cursed Gear. Meanwhile, the vampire nobility welcome a new member - Mika, the best friend Yuichiro thinks died in their escape but who has his own bitter story of survival.

After trumpets of the apocalypse proclaim the fall of humanity, vampires arise from the shadows to rule the earth. Yuichiro wants just one thing - to get revenge by killing each and every vampire. Yuichiro has undergone the strange and dangerous ritual to acquire Cursed Gear - demon-possessed weaponry that is humanity's only hope for combating the vampire scourge. But times are dangerous, and instead of getting to celebrate his newfound power, Yuichiro and his friends are given their first mission - head to Shinjuku and investigate vampire activity. Unbeknownst to him, his best-friend-turned-vampire, Mika, is headed for the same place...

In a post-apocalyptic world of vampires vs. humans, Yuichiro brings vengeance upon his vampire overlords! After trumpets of the apocalypse proclaim the fall of humanity, vampires arise from the shadows to rule the earth. Yuichiro wants just one thing—to get revenge by killing each and every vampire. Yuichiro is forced to make a terrible decision—his family’s lives, or Mika’s. Mika tries to convince him to choose his family, forcing the two into a heart-wrenching argument. What will Yuichiro ultimately decide? Meanwhile, Urd and Rígr have captured Sika Madu, the First Progenitor, and demand to know the truth behind his plan and why he abandoned them. Betrayal, loss, and revelations span all sides of this war for the fate of humans, vampires, demons…and the world itself.