Hello Shigaru,

We are sorry to hear that this happened. When a player transfers servers, they are told that when they transfer, all items in one's Delivery Box will be deleted when shifting worlds. Unfortunately, once players have confirmed that they are ready to shift, items lost in this way cannot be recovered. We are aware that this is disappointing, and we appreciate your letting us know your feedback and concerns on this matter.

Thank you,
GM Baudle