Be aware that Naruto Shippūden: Ultimate Ninja 5 is a game from 2009. Many of the old save file hosting sites (like GameFAQs or The Iso Zone) have changed or shut down.
If you want, I can:
If you cannot find a save file or want to avoid downloads, you can use Cheat Codes (via Code Breaker or PCSX2 Cheats) to effectively create a 100% save in 5 minutes. This is a safer alternative to downloading unknown files. ps2 naruto shippuden ultimate ninja 5 save data
Enable these master codes on PCSX2 or your physical cheat device:
By activating these codes, playing one match will unlock every shop item and character instantly, effectively generating the "save data" you wanted in the first place. Be aware that Naruto Shippūden: Ultimate Ninja 5
Note: Naruto Shippuden: Ultimate Ninja 5 was released on PlayStation 2 in some regions under the “Ultimate Ninja”/“Gekitō Ninja Taisen” series naming; specifics can differ by region and reprint. Below is a thorough, general guide about the game’s PS2 save data: file location, typical contents, how the system manages saves, common issues, transfer/backup options, and troubleshooting steps.
Avoid random websites that force you to fill out surveys. Use reputable archives: If you cannot find a save file or
The game's Mission Mode (100+ challenges) is notoriously cheap—AI partners are useless, and some S-rank missions require perfect play.
This is the standard method for soft-modded PS2 consoles.