In the world of Trinity Blood, divided between the Terran humans and the Methuselah vampires, a post-apocalyptic setting unfolds after the devastation of Armageddon. The Vatican and the New Human Empire clash in an ongoing war, with the Rosenkreuz Orden, a faction of vampire extremists, sowing discord between the two sides. Seeking harmony amidst the chaos, some strive for cooperation between humans and vampires. To counter the Rosenkreuz Orden's schemes, the Vatican's elite group