korean animation worldwide
Trouble maker mail boy “KAMBU” is dispatched to Mystery Island.
During his flight, the plane crashed into huge whale clouds and KAMBU dropped at Mystery Island.
Everyday new mails are delivered to the post office.
KAMBU and his friends deliver the mails to all of Mystery Island, solve friends' problems in each region, and promote friendship.
However, there are many strange places and people in this island…
Let’s see how KAMBU and his friends go through these obstacles.