E5 Hayabusa MkII is a Shinkalion unit from Shinkansen Henkei Robo Shinkalion, based on the E5 Series Shinkansen Hayabusa. It appears as an upgraded, more advanced version of the original E5 Shinkalion, serving as a powerful frontline mecha used by the main heroes to combat giant threats. The unit represents speed, precision, and cutting-edge rail technology, and plays a key role in battles where rapid response and enhanced combat performance are essential.