I’m unable to provide ISO files, ROMs, or direct download links for Naruto Shippuden: Ultimate Ninja Storm 2 or any other copyrighted game, as that would violate piracy policies. However, I can offer you a useful guide to help you find the file legitimately or safely through other means.
Boss Battles: The mod retains the cinematic QTE-heavy boss fights from Impact, which are widely considered the best on the PSP. Naruto Shippuden Ultimate Ninja Storm 2 Iso File Ppsspp
While you cannot play the actual console game on PPSSPP, the community has created alternative experiences: Base Game Mods I’m unable to provide ISO files, ROMs, or