This is a known emulation bug for UN5. Enable “Automatic Game Fixes” in PCSX2 (System > Auto Fixes). If that fails, switch software renderer to OpenGL (Hardware) and disable “Large Framebuffer.”
: Unlike previous entries where summons were separate, this game introduced dedicated assist characters chosen during selection. These partners can be called in to deal extra damage or perform unique team jutsu based on their canonical associations in the anime.
: "Updated" versions often include mods with new characters (like Pain or Sage Mode Naruto), but these can sometimes be unstable or overwrite existing game files. Game Review: Is it Worth It? Most fans consider Ultimate Ninja 5