第 3 集: Syrup的信箱好友 Mailpo協助應對海量來信

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Milk sends letters to Coco about Palmier Kingdom through Syrup. She sends a lot of letters. So many, in fact, that Syrup is reaching the point where he'll refuse to take any more. Noticing this, Syrup's little mailbox-shaped friend Mailpo steps in to help. (Source: Wikipedia)