Kamen Radier is a franchise that focuses on common themes like friendship, loyalty, and justice. The series itself is based on a real life franchise called Kamen Rider.
One of the main characters, Teruharu Kosukegawa of the Change 123 series is a avid fan of the series, so Kamen Radier is mentioned frequently in the Change 123 series.
During the fight with Zero Kosukegawa dons a Kamen Radier outfit that is found in a warehouse full of Kamen Radier franchise novelties. Although he does accidentally slip on the scarf, Kosukegawa was able to hold his own against Motoko's anger personality, Zero for awhile.
- ↑ Case 15: Greatest Value (MAX);page 8-9