Sure, Blue Eye Samurai is a manga. It stands out for its creative world-building and the depth of its narrative. Many fans appreciate its combination of action and drama.
No, it's not a real story. It's probably made up for entertainment purposes. Usually, such names and concepts are part of fictional worlds crafted by authors or creators.
There are aspects of 'Blue Eye Samurai' that are rooted in real story elements. The samurai culture, the social hierarchies, and the general look and feel of feudal Japan were real. But the specific story of the blue - eyed samurai character is likely a fictional creation. It might be an amalgamation of different historical ideas and fictional twists to make for an engaging story.
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.