Unlockable missions, story and characters:
Unlock Each of these Chips by completing all 12 battles in Survival Mode with Each Character. This can only be done after you've unlocked all of the Survival Mode battles. Each chip is a 4x6 rectangle (based on the R1 + R2 jutsu chips being 4x4).
During the Loading screen if allocated enough time to move the right thumbstick enough in a circle. A Blue Chakara Ball will pop-out and if you notice your unfilled Stamina / Chakara Bar. It will refill a little about 25% worth everytime you do this. Between Loading screens with the Konoha Symbol in the lower right corner
When fighting the Shirogane girl's Giant Puppet Bee, switch to Lee, and lock onto the bee. Make sure you have lots of Rations As or Bs. Once you have locked onto the bee, repeatedly use Dynamic Entry, and use rations to replenish Chakra when needed. This will kill the bee quickly.