Mystery of Naming

is the first episode of Kamen Rider Zi-O: Supplementary Plan. It was released on TTFC accompanying the first episode of Kamen Rider Zi-O, and is referred to as "episode 1.5" of Zi-O.
==Plot==
What is the mystery behind the names of characters appeared in first episode? There are some answers...
Sougo, Tsukuyomi and Geiz received a script and started to talk about the naming. Sougo figured out Ohma Zi-O's Ohma was a reversed spell of and Zi-O was . Zi also represented 20, since he was the 20th Heisei Kamen Rider. Tsukuyomi figured out her name was based on a . However, in Geiz's turn, he could not find any information from his script. While he was in confusing, Woz showed up and told him that Geiz meant "King" in their series: It was a pun on English word "Gates"; and in Japanese and ancient Egyptian cultures, both and had "gate" etymologies. Yet, Tsukuyomi pointed out it should be "Gate" in the English grammar. Woz complained that the staff of Toei was lazy and explained that the only reason they add an "s" was because of a toy sales superstition.
==Characters==
*Sougo Tokiwa
*Geiz Myokoin
*Tsukuyomi
*Woz
==Cast==
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==Notes==
Category:Web series episodes