After discovering the existence of demons in Tokyo, the original Cyborg crew led by Dr. Gilmore find themselves in conflict with Devilman, a strong demon believed to be in league with the war-profiteering terrorist organisation, Black Ghost. Meanwhile, a bigger threat emerges when Dr. Adams, a Black Ghost scientist unleashes his new line of high-teen Cyborg models against 009 and his friends.

Source: ANN

Note: The OVAs received an early screening at a special event on 5 October 2015 at Shinjuku Wald 9 in Tokyo. Additionally, the OVAs received a two week theatrical run at Dinos Cinemas Sapporo in Hokkaidou and 9 additional venues across Japan, starting on 17 October 2015, alongside sales of a limited edition BD. The regular BD release started on 11 November 2015.

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Same characters: Devilman
Same characters: Cyborg 009