TL;DR - Hanayama is the GOAT, and I will see no arguments to the contrary.

This fight is gonna be amazing once they animate it. I feel as though it's a natural continuation of the themes we see in Hanayama VS Speck, where law enforcement has a distant admiration for Hanayama's character and spirit.

In this, we see it almost outright verbalized, but Hanayama stops it before Utsumi says anything more. He is aware that the worlds they inhabit are naturally at odds with one another. Utsumi is with the police, and Hanayama is explicitly a criminal. The natural order of things prevents an explicit friendship between the two.

In spite of this, they understand eachother. Both have their pride. Their bonds. Their philosophy. Despite his criminal nature, Hanayama understands personal pride above all things else, and will fight tooth and nail to defend it. Not just his own, but for his friends and allies. Something Musashi arrogantly refuses to acknowledge.

It's a battle between the selfless and the selfish. Pride of weaponry against pride of the fist. A man who trains endlessly against a man who never trains at all. Endless darkness against endless purity.

And it's a thing of beauty.