Several days after Ohsama Sentai's venture at the Land of Dead, Hākabāka, an unexpected heat wave suddenly blasts over Tikyu. As a result, the monarchs decide to hold a summer festival at Shugoddam, where they also participate. While Jeramie and Geroujim confronts Desnarak at Bugnarak's base to confirm the latter's connection with the heat wave brought upon Tikyu.

After stopping Desnarak VIII's plan to destroy the entire planet, Jeramie challenges him to a duel for leadership of Bugnarak to end the 2000-year conflict his prophecies started with the goal of establishing Chikyu's sixth kingdom.