The story takes place in a alternate postwar period, in 1996, where Japan is divided. Hokkaido is ruled by the "Union" while Honshu and other southern islands are under US authority. A tall tower was built on Hokkaido, which could even be seen from Tokyo. In the summer of 1996, three middle-school students make a promise that they'll cross the b...
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 M-POSTER.webp "(BTTH) Fights Break Sphere Special 1 (2017)")
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