Cinque returns to the land of Flonyard in Dog Days' to resume his duties as the hero of the Biscotti Republic, and it is as though he never left! The difference this time is that he has brought two friends with him who become heroes in their own right: his childhood best friend Rebecca Anderson, who becomes the hero for the Principality of Pastillage at the urging of their leader, Princess Couvert Eschenbach Pastillage, and his cousin Nanami Takatsuki, who becomes the hero for the Galette Lion Dominion. As with the first season, however, with so many secrets to be uncovered and mysteries to be solved, will there even be time for the athletic events that these three hyper and athletic teenagers love to participate in so much?