Naruto Shippuden: Ultimate Ninja Storm 4 has a lot of different shinobi to use in your fight to prove who’s the best. Of course, not all are available from the moment you install the game. There are quite a few that are locked away until you complete a specific task.
Here is how to unlock the other shinobi in Naruto Shippuden: Ultimate Ninja Storm 4:
Rin in Naruto Ultimate Ninja Storm 4
Complete the story mission Boys in the Midst of War which is part of the Two Unparalleled Warriors chapter to unlock Kakashi’s old teammate.