Only 30 boxes of the famous treat "Sea Digdaman" are sold every day, and you have to stand in line for them too. However, as a thank you for helping the store manager, Liko and Roy are given some even without having to stand in line. A certain person from the Explorers was standing in line for the treats as well, though... and as they're on their way back to the Brave Asagi, Roy notices a letter of challenge that has been stuck to Hogator's back...?.