The event says that all cs items have a 20% discount, while the items are still shown as full price. The problem is, if you have (For example) 8 k nx, and you want to purchase the 10k nx gachapon bundle, it doesn't let you and says that you don't have enough NX. Summary: You can only buy items if you have the amount of nx it costs without the discount. Discount is applied after purchase.
