This isn't the first time the two were involved in tokusatsu as Kawaoka previously played Sohji/AR Kamen Rider Kabuto and Soh Otogiri/Phylloxera Worm/AR Kamen Rider TheBee in Kamen Rider Decade, while Kai played Chiyoko Shiraishi in Kamen Rider OOO.
Kikai Sentai Zenkaiger premieres on March 7th, replacing Mashin Sentai Kiramager in the timeslot.