Symbol: A crimson crescent over crossed katana.
Industry: Heavy industry, private security, defense contracts.
Supernatural Composition: 70% vampires, 20% humans, 10% mages.

Headquarters:
Kurogane Tower, Shinjuku — a 90-story skyscraper with a concealed subterranean citadel built from Edo-era stones.

🩸 Lord Takeda Ranmaru — The Iron Vampire
Faction: Kurogane Zaibatsu
Goal: Purge Tokyo of foreign vampires and mages, unite the supernatural under Japanese rule.
Conflict: Fears Reina’s growing popularity among younger supernaturals threatens his control.
Secret: He keeps a sealed katana—the Blade of Honnō-ji—that contains the trapped soul of Oda Nobunaga himself. The blade has begun to whisper.
“The Shogunate must rise again. The blood of the West must be purged from this soil.”

• General Sato Renji – Mortal ex-SDF officer and Ranmaru’s human vassal; oversees mortal enforcers.
• The Bloodsteel Unit – Elite vampire samurai who protect Kurogane assets worldwide.

1. Takeda Ayame — The Crimson Crane
   Role: Strategist and Ranmaru’s adopted “daughter.”
   Background: Turned during the Meiji Restoration, Ayame was once a shrine maiden who chose immortality to avenge her slain family.
   Goal: Preserve her father’s rule but secretly questions his hatred of outsiders.
   Trait: Perfect memory; can recite every command Ranmaru has ever given.

2. Captain Hayato Kaze — The Bloodsteel Enforcer
   Role: Commander of Ranmaru’s shock troops.
   Background: Former JSDF officer turned vampire. Loyal… mostly.
   Goal: End the endless war; seeks to turn Reina’s dream into peace.
   Trait: Can slow time by spilling his own blood.

3. Inoue “Koma” Ren — The Ghost Sniper
   Role: Assassin-for-hire, often contracted by Kurogane.
   Background: A human hunter turned vampire after being killed by one. Now plays both sides.
   Goal: Discover who truly ordered his turning — he suspects Ranmaru himself.
   Trait: Shoots spectral bullets that can pierce both flesh and spirit.

4. Lady Arakawa Chiyo — The Silver Envoy
   Role: Diplomat and liaison to foreign vampire syndicates.
   Background: A centuries-old geisha vampire turned corporate diplomat; enforces the clan’s strict code of secrecy.
   Goal: Prevent Ranmaru from isolating Tokyo completely.
   Trait: Her blood allows temporary immunity to sunlight.

5. Okuda Masanori — The Archivist of Blood
   Role: Keeper of Kurogane’s ancient records and curses.
   Background: The oldest known vampire in Tokyo, predating Edo.
   Goal: Guard the true Blood Oath — the original pact binding the clans.
   Trait: Can read memories from blood stains.