C170 I Am Originally a Bad Person(2)

"Navy Rokushiki? Where did you hear about that? What's your background?" Smoker asked, his expression turning grave upon learning that Lee Kai had a specific purpose for joining the navy.

Lee Kai shook his head. "I can't reveal my origins. I just want to find out how I can learn the Navy Rokushiki within the navy. Or, to put it another way, if I match your strength