"No, there wouldn't be." He wasn't sure what else to say on that subject, but there was another obvious subject. "You prefer shorter blades?"

Most of Naoki's jounin mentors were much taller and wielded much larger weapons. They served them well by enhancing their greater reach. Even with a weapon as proportionally as large he would be at a disadvantage, but with the shorter blade he could fight one or two handed, and get inside the guard of larger fighters.