在这部舞武器舞乱伎动画/奇幻片中,某天，时隔10年回到日本的少年一希东，突然遭到武装男子们的袭击，并被囚禁起来。而救出了东的人，是青梅竹马的少女朝吹黄金，以及有着右手形态、拥有意志的武器“舞武器”。知道了“舞武器”的存在，以及自身也是“舞武器使者”的东，与遇到的同伴们一起，为了让沉眠于地下、被称为“王舞”的舞乱伎（巨人）复活而开始行动。
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.
