Hajime Isayama's dystopian manga Attack on Titan is as unstoppable as its human-eating giants, selling 15.9  million copies last year in Japan alone -- it was second only to One Piece -- buoyed by the popularity of the television anime. It's infiltrated the North American book market, too, placing five volumes in the Nielsen BookScan Top 20 for September. The are also Attack on Titan video games and a light novel, not to mention the live-action adaptation in development by director Shinji Higuchi.

If you're curious how the grotesque Titans will translate to the big screen, Higuchi provides a sneak peek in this incredible TV commercial for the Subaru Forester, which has been has racked up more than 6.5 million views since its debut Friday on YouTube.

One of Japan's top special effects supervisors, Higuchi is best known for his work on the Gamera trilogy. Attack on Titan is scheduled for release in 2015.