Experience sensory overload with CAVE's addition to the shmup arena, Akai Katana. Enter into an epic tale set in the Taisho era with three titles from Cave's Akai Katana series that has captured the hearts of passionate shoot 'em-up fans. The people have discovered the powerful Blood Swords. It requires human sacrifices to unleash their immense destructive power. The empire used these swords to crush neighboring countries.