About 3 “A GIFT IN RETURN” were stored in the storage. A total of 5 new items have been acquired, but they are sent to the postmaster even though there is room in the inventory. After returning to the tower, I got some "A GIFT IN RETURN" and put it in the vault. I checked immediately, but there were only four in the vault. Until now, I have baked more than 100 sweets and left nearly 10 "A GIFT IN RETURN" without opening them, but some "A GIFT IN RETURN" have disappeared You. Help me.