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almost all Masaaki Endo effects, Ito drew the lanky characters for him it seems
0:00 - 0:38: Masaaki Endo
0:39 - 0:59: Masaharu Tada
1:00 - END: Masaaki Endo

Mechanical and effects supervision by Hidetsugu Ito, he also did some genga which I would assume is why the characters in Masaaki Endo's part resemble Ito.