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Ohsama Sentai King-Ohger vs. Donbrothers

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!