Context clues? What context clues? None of what you've said matters?
Koushiro knows ryou because his father who we know went to East blue is clearly a mater sword smith and as we saw with Hitetsu, master sword smiths know r you
His father taught him ryou. .. Plain and simple... so thats all your supposed context gone out the window
Koushiro knows ryou because his father who we know went to East blue is clearly a mater sword smith and as we saw with Hitetsu, master sword smiths know r you
His father taught him ryou. .. Plain and simple... so thats all your supposed context gone out the window