Ayumi Taguchi

Mirai, a high school girl, is transferred to an upscale private girls school. She soon finds out the school not only cultivates young minds, but also supplies young bodies to rich politicians. Moreover, the school's headmaster ripped apart her family. She undergoes special training, and fights her way to sweet revenge! (PinkEiga.com)

Released on March 12, 1988 (between episodes 22 and 23) as part of the Toei Manga Matsuri film festival. Originally known simply as Kamen Rider Black during its theatrical release. Children all over Tokyo mysteriously disappear without warning. Kotaro suspects that the Gorgom are behind the abductions and follows a suspicious-looking tour bus with children on it, only to lose its trail off a cliff. With the help of a fisherman (played by Ishinomori himself), Kotaro travels to a remote island and (wikipedia)

A woman wants to throw herself off a bridge after her boyfriend of two years breaks things off with her. The guy who stops her from doing so is looking for his ex-girlfriend, who he is planning to kill. The woman makes off with his gun and from then on plans to kill her ex as well.

Golgom and Shadowmoon took over the town of Yubure. A scientist, who has some codes to put a mecha online to destroy Black, escaped. Minami Kotaro (Kamen Rider Black) was shopping with his family and saw the man get out of a truck, looking scared. Kotaro follows the man and ends up saving him. The man tells Kotaro about Yubure, and Kotaro rides to the town to find it all deserted, or is it? Kotaro meets up with a group of people, they tell him of the problem, and he goes straight to the...

Sixth volume in the 2 Channel series.