Blue Eye Samurai is indeed based on a true story to some extent. It uses the backdrop of historical Japan where samurais were prominent. This means things like their training, their relationships with different social classes, and their role in society are likely to have roots in historical truth. It could also be based on the tales of real samurai warriors that have been passed down through generations.
Well, the show Blue Eye Samurai is based on a true story in that it takes a lot from the real - world setting of samurai - dominated Japan. It showcases the political unrest, the importance of family and clan in that society, and the strict hierarchy. All these aspects are drawn from historical records. The creators have used this factual base to build a fictional narrative around a character with unique features like blue eyes, which adds an interesting twist to the story.