Man these events aren't that great at all....not even a combo like other regions where you have recharge+spending. The rewards on everything is subpar in comparison to other regions by a large margin. Havent spent anything since the 3rd Hokage recharge event lol

How come we cant go back to previous days to use the discount vouchers :///

Think of it more as a bonus to those who were already planning on using the seals, not so much as a incentive to make you use seals.