A PS2 console with Free McBoot (FMCB) and the uLaunchELF homebrew application.

I see you're looking for a story related to the PS2 game "Naruto Shippuden: Ultimate Ninja 5" and its save data. While I don't have personal experiences or direct information about specific save data, I can craft a narrative that incorporates elements of the game and the concept of save data.