Series Recommendation: Daimaju Gekito Hagane no Oni (Demon of Steel: Battle of the Great Demon Beasts)
Daimajū Gekitō: Hagane no Oni (大魔獣激闘 ～鋼の鬼～, Fierce Battle of Colossal Beasts: Steel Devil) is a 1987 Japanese original video animation directed by Toshiki Hirano, with a screenplay by Shō Aikawa. Mechanical designs were handled by Kōichi Ōhata, and Masami Ōbari served as animation director. The story follows Takuya, who visits a research facility to reconnect with an old friend, uncovering their shared involvement in a mysterious experiment conducted three years earlier, in 1984.