In a post-apocalyptic world, a desperate Vatican turns to unexpected allies to shift the balance in the eternal struggle between humans and vampires. Priest Peter Abel Nightroad, a Vatican envoy, embarks on a treacherous global quest, hiding his true identity as a member of Cardinal Catherina's elite Ax group. His encounter with the courageous Esther will determine humanity's fate against the perpetual vampire threat.

Trinity Blood
In a world torn apart by eternal conflict, a determined priest embarks on a perilous journey to broker a lasting truce between humans and vampires, driven by his unwavering commitment to peace.