Ensure the DLC is from the same region as your game disc (CUSA06381 is generally a North American region code).
Even with the correct cusa06381naruto shippuden ultimate ninja storm install files, you may encounter problems. Here are solutions: cusa06381naruto shippuden ultimate ninja storm install
Run your preferred jailbreak (e.g., GoldHEN 2.3 or newer). Ensure the DLC is from the same region
CUSA-06381 refers to the North American (USA) region code Naruto Shippuden: Ultimate Ninja Storm 4 - Road to Boruto cusa06381naruto shippuden ultimate ninja storm install
The update does add new characters — those are already inside Storm 4’s Road to Boruto content.
The code refers specifically to the North American (English) PlayStation 4 version of Naruto Shippuden: Ultimate Ninja Storm 4 Road to Boruto