After an accident involving getting lost, a temple deep in the forest, a discovery of creatures he never knew of and a good prank, Naruto swore on his life that he would come again one day to find and protect his newfound 'best friend' from the bad people that want their power no matter what's the cost. Kurama swore to the sage that They didn't need a fucking knight. Or Naruto is a little Too fascinated with a demon he discovered in an old temple, much to everyone's surprise and the demon's irritation.