Since Ultimate Ninja 5 is not on PSP, you can find the series' signature combat in these official PSP titles available through retailers like Amazon or Retro vGames :
Naruto Shippuden Ultimate Ninja 5, also known as Naruto Shippuden: Ultimate Ninja 5, is a fighting game developed by CyberConnect2 and published by Bandai Namco. The game features a vast array of characters from the Naruto universe, including the main protagonist Naruto Uzumaki and his friends. The gameplay revolves around one-on-one battles, with players using a variety of jutsu (ninja techniques) and items to outmaneuver their opponents. naruto shippuden ultimate ninja 5 psp download