When you have unlocked Setsuna you will have access to a location marked with a ‘?’. Setsuna will then ask you to put 4 donuts cards into a certain order to unlock a bonus. Below are the combinations and the corresponding bonus you will recieve.
Unlock Clothes:
1 2 4 2
Unlock Clothes:
1 4 3 2
Unlock Clothes:
2 3 1 2
Unlock Clothes:
3 1 3 4
Unlock Clothes:
4 3 2 1
Unlock Clothes:
4 4 2 1
Unlock Movie Battle:
3 4 3 1
