Meet Takao Konishi, the last Rai! With the Blood of Heroes coursing through his veins, Rai will lead humanity's liberation from the all-knowing, all-powerful sentient nation known as Grandmother. But when you upset Grandmother, you must be punished.
The time has come for Obadia Konishi to claim his father's legacy and become Rai! But is he too late to save Japan from the usurper Takashi Nakadai, the self-proclaimed 43rd Rai, armed with his mother's stolen X-O Commando armor?