Synopsis
ONAs posted on the official site of RG Studios' page and the director's youtube page that feature Backkom shorts that never made it to the main series nor the the DVD release of the main series. This entry is composed of: Backkom Feature Trailer - Backkom falling through the roof of CGV; the largest cinema chain in Korea, then taking a seat in the first row of the theater. (2007, 39 sec) Backkom Filler Animation - Backkom at a library. (2008, 53 sec) Backkom Song!! - Backkom jumping on a trampo...
