"Kawanfilm21 - Kamen Rider 555: 20th Paradise Regained" is a detailed feature that provides an in-depth look into the movie. The feature includes a plot summary, character list, production details, and reception. This feature is a must-read for fans of the Kamen Rider series and tokusatsu enthusiasts.

As Keiichi navigated his new reality as Kamen Rider 555, he encountered other Riders, including Kōichi, who had become Kamen Rider 20th (Tsukuba). Unbeknownst to Keiichi, Kōichi's true intention was to utilize the Paradise Regai system to reclaim Fåhra's lost paradise.