Kamen Rider Black(1987)

Long, long ago, in the 20th century...

Kamen Rider Black is a Japanese tokusatsu series following Kotaro Minami, a young man transformed into a powerful cyborg by the ancient secret society Gorgom. After escaping their control, Kotaro becomes the masked hero Kamen Rider Black, determined to stop Gorgom's plans to destroy humanity. His mission is complicated by a painful truth: his adoptive brother Nobuhiko has also been transformed by Gorgom and turned into a weapon for their dark purposes. As Kotaro fights to protect the world and save his brother, he faces an agonizing possibility—that he may ultimately have to battle Nobuhiko himself. Blending high-stakes action with emotional conflict, the series explores themes of brotherhood, redemption, and the cost of power.