![Image](http://img21.imageshack.us/img21/5498/tanaka2.jpg)
All that really happens there with R is he and his friends are part of a Super Sentai team in a video some guys are watching. The next episode, he's renting Assemble Insert part one, and somehow gets off his bike to tell a guy about it while his bike careens into traffic.
Also, I dropped by the Key the Metal Idol Wikipedia page and found some tool had dropped a paragraph about random supernatural crap in the show summary, like they were adding their fan fiction to the plot. I went in and cut it out, for anyone wanting a more accurate page on the show.