Yuka Ohnishi

When a rebellious faction led by the Koga ninja clan tries to stir civil unrest by publicly questioning the morality of the Shogun, he seeks to protect his reputation by cleaning up his past. He hires a group of female ninja from the Iga clan to wipe out a series of women who he had kinky affairs with in the past, but at the same time the Koga are trying to kidnap the women to have them rebuke the Shogun in court.

A revolutionary takes over a remote school, makes it into a prison, and attempts to convert its students into terrorists. A young yoyo-wielding "delinquent" student named Saki seeks to stop this with the help of her friends. However they must first lead all the students to safety. (Wikipedia)

Yui is recruited as a student detective working for Seishonen Chian Kyoku (Youth Law Enforcement Division) headed by Kurando Sekine. But she couldn't agree with the violent method used by the division, and resigns after letting go the students who were being persecuted by them. Kurayami Shirei assigns Yoda to investigate Sekine. Yoda succeeds in obtaining a disk that contains the incriminating evidence but during his attempt to deliver the disk to the Kazama sisters, is fatally wounded... (imdb)

This is a 72 minute TV movie that was created during the running of Sukeban Deka series III, featuring the Kazama sisters. Kazama sisters (Yui, Yuma, Yuka - Yui Asaka, Yuma Nakamura, and Yuka Onishi) while on a mission to stop Kage is met by Kikuko Tamon (Kazue Ito), a special agent working for Kurayami Shirei. They capture Yoshiya Kuromaru - a high school student who works for Kage, and through his confession, they discover that Doryuji temple is the hideout of Kage. (imdb)

The television series, though technically one series made up of three seasons, are essentially self-contained and separate, aside from sharing the same basic themes and premise, and starring popular Japanese idol singers in the main roles, each one replacing the previous as the new Asamiya Saki, taking on her cover identity and yo-yo weapon. (gaijinrider)

High school student Ayumi kills herself and leaves behind a cryptic message that says "will be killed by boyfriend." Ayumi's classmates Satomi and Yuka investigate her suicide and quickly links her death to a popular cellphone dating simulation game called Keitai Kareshi. The main features of the game include a 'love gauge' that determines how well the player is faring and the ability to chat with other players. (imdb)

The film depicts the love lives of six high school boys and girls who love to ski. Based on "Doutei Monogatari" from Gakken's "MOMOCO", this is the fourth in the series.