Supplementary Plan Forever (Part I)

is the fifteenth and penultimate episode of Kamen Rider Zi-O: Supplementary Plan. It was released on TTFC accompanying the fifteenth episode of Kamen Rider Zi-O, as well as the film Kamen Rider Heisei Generations Forever, as its "episode 15.5".
==Plot==
==Characters==
* Sougo Tokiwa
* Geiz Myokoin
* Tsukuyomi
* Woz
==Cast==
*: 
*: 
* : 
*: 
==Notes==
*The gag about Tsukuyomi transforming into a Kamen Rider in this websode would later become canon in the series in episode 48.
Category:Web series episodes