This is a complete guide to playing in English on a PlayStation Portable (PSP).
The PSP release, including the Power-Up Kit (PUK), was exclusive to Japan and does not have an official English release.
If you continue searching for a fan-made PSP ISO patch, be cautious of sites claiming to offer "free full English" downloads, as these are often: for other games. Malware or ad-heavy sites.
was released with modern graphics and updated English localization for PC, PS4/PS5, and Nintendo Switch. 2. Fan Patches (PC Only)