Successfully complete Scenario mode to unlock Akatsuki mode.
Successfully complete the indicated task to unlock the corresponding character:
Successfully complete the indicated task to unlock a gold star in the corresponding chapter of Scenario mode:
At the Shop menu, combine scrolls to increase or decrease the potential of an item. You will then be able to equip the item.
To change items during a mission, hold Triangle to open the list of items you have equipped. Use the D-pad to choose the desired item you want to use for the shortcut. The red side is for weapons, and the green side is for usable items such as potions, antidote, etc.
To use a Jutsu, hold R and press X, Square, Triangle, or Circle. To perform a Quick Release Jutsu, tap R. You will execute the Jutsu that was last used without having to hold R.