Daimajū_Gekitō:_Hagane_no_Oni
Daimajū Gekitō: Hagane no Oni (大魔獣激闘 ~鋼の鬼~, lit. Fierce Battle of Colossal Beasts: Steel Devil) is a 1987 Japanese original video animation. Directed by Toshiki Hirano, with screenplay by Shō Aikawa, mechanical design by Koichi Ohata and animation direction by Masami Ōbari. The plot is that of Takuya who visits a research center to meet an old friend, and their mutual connection with an experiment three years ago.