Dies irae ~Interview with Kaziklu Bey~ – a bloody visual novel about the life and adventures of one lonely and cruel vampire. This game is an additional plot to the original story, telling about the past of one of the antagonists. There are no major story choices that will affect the ending, so the player is only a reader.

Hakenkreuz was forced to flee after the end of the fascist regime. He was not afraid of being caught, much less of death, because people at that moment did not yet know how to fight such monsters. It was just that his thirst for blood and death was so high that he could not contain it. He decided to tell his story to a journalist who decided to interview a strange stranger.

Main characters of Dies irae ~Interview with Kaziklu Bey~:

• Wilhelm is one of the surviving members of the Reich, who is secretly being hunted by an international organization, because it knows that he is not human at all and is trying to eliminate the world threat.
• Claudia is the vampire’s personal servant, who was saved by him, and is a nun; she met the antagonist during the Warsaw Uprising and since then believes that she must return the favor to him even at the cost of her own life
• Helga is actually a living dead person, whom the protagonist calls both mother and sister, and has sincere platonic love for him.
• Ludwig is a member of the self-proclaimed secret service of the Vatican, who nevertheless has a normal attitude towards the existence of vampires and does not interfere with their activities, his goals are shrouded in mystery
• Dina is an ordinary person, a journalist who decided to interview a man, a career woman who will do anything to achieve her goal.

In this novel, the user will be able to find out what happened before the fall of Berlin during the Second World War. How the mysterious ritual was carried out, the consequences of which were felt only 60 years later, and what was its true purpose. In the period between key events, Wilhelm did not rest at all, but traveled around the world, participating in every large-scale bloodshed.