I should verify the correct spelling of the titles. "Nobunaga's Ambition: Kakushin" is a real game title? Wait, I think I might be mixing up the titles. The main series is Nobunaga's Ambition, and there are different iterations like "Kai", "Samurai", etc. Maybe "Kakushin" is a specific edition or a translation issue. I need to be cautious here. Alternatively, maybe the user refers to a fan translation or a modded version of the game. Since I might not have exact details, I should frame it as a hypothetical scenario or base it on available information up to 2023.