Complex sentence: The original series spawned a 2 hour tv special in 2006 which followed the main character, Kuryu, five years later and sets up the lead-in for the 2007 feature film.
Split into simpler sentences: The original series spawned a 2 hour tv special in 2006 which followed the main character, Kuryu, five years later. That special sets up the lead-in for the 2007 feature film.