Heisei Kamen Rider 20 Series: Supplementary Plan is a four-episode "Telasa Original" web miniseries serving as supplementary material to Kamen Rider Zi-O.
Heisei Kamen Rider 20 Series: Supplementary Plan is a four-episode "Telasa Original" web miniseries serving as supplementary material to Kamen Rider Zi-O.
