Nicola, who has ascended to the throne as the queen of Planet Trickle, has decided to form an alliance with Planet Chikyu. Bakuage Sentai Boonboomger has been invited to act as witnesses. However, a remnant of the Hashiriyan named Manhole Grumer appears and steals the jewel that's been passed down in the Trickle royal family from Nicola! Furthermore, Minongan, one of Dagded's five jesters appears and steals the Ohgercalibur ZERO, which was prepared for the alliance ceremony! The Ohsama Sentai King-Ohger rushes to the scene and fights alongside the Boonboomger, but the warriors are separated by Manhole Grumer's mysterious power. Taiya and the others were scattered across the stars, each take action to escape from this dire situation. Soon, a dangerous heartbeat begins to resonate from deep underground. As a powerful evil awakens, will the two great Super Sentai be able to come together again fight together?! The battle for the three planets begins now!!
The OhgerCrown, the proof of kingship owned by Gira Husty, has been stolen by the Tylerian Donking, a member of the Alienizer gang, and his servant Ihab. Gira and Prince join a battle fight to retrieve the OhgerCrown, the prize for winning the battle fight. Prince wins steadily, but when he meets a boy who is determined not to lose in order to save his sister, he senses something is wrong.
The King-Ohgers and the Donbrothers are now in Hakabaka, the Land of the Dead. They all died due to various reasons. The confrontation begins with neither party knowing who the other is. Will there be an end to this battle? I mean, why did they start fighting in the first place?! Eventually, they arrive at a single abyssal truth!
During the grand coronation ceremony of Gira as king, the door to "Hakabaka, the Land of the Dead" is suddenly opened! What unprecedented ordeal awaits Gira and the other six kings in the Land of the Dead? Will the young kings be able to return to their original world? Will Gira, the "self-proclaimed king," become the true King of Shugoddam?!