I’ll Go With You Rail Wars! : Season 1 Episode 11

Naoto and the others managed to fight off their attackers on the Hokutosei, but while on the run, Naoto and Bernina find themselves under attack again. This time it's Aoi who comes to the rescue after catching up with them in Sendai via the Tohoku Shinkansen. Just as he breathes a sigh of relief, Naoto's phone rings...