Away from home for 10 years, Azuma Kazuki attacked by dozens of heavily armed people and taken as their prisoner. Fortunately, Azuma's stay in captivity is short. Wielding a strange sentient weapon-known as "Bubuki"-upon her right arm. After escaping, Azuma learns that he too has the power to control Bubuki. Together with his new companions, he must revive the Buranki titan named Oubu, that sleeps somewhere deep underground.
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Cast of BBK/BRNK
