Sugoi! Jidai! Mirai! Kamen Rider Necrom 2
Mina-san. This is Woz Trilogy, based upon Kamen Rider Woz's own OCs, Kamen Riders Shinobi, Quiz and Kikai.
List of shiriizu Edit
Below is a list of dramas based on the OCs previously mentioned:
Also, there's a list of movies that tie-in to the main series, such as stand-alone series and crossover movies.