The code refers specifically to the North American (English) PlayStation 4 version of Naruto Shippuden: Ultimate Ninja Storm 4 Road to Boruto
Specifically, CUSA06381 generally refers to the version of the game, including the Road to Boruto expansion in many cases. Knowing this helps when looking for compatible save files or DLC unlocks. cusa06381naruto shippuden ultimate ninja storm install
Run your preferred jailbreak (e.g., GoldHEN 2.3 or newer). CUSA06381 The code refers specifically to the North