Rail Wars! - Episode 11 -

Critics noted the episode solidified Aoi's status as a primary romantic interest for Naoto over Haruka.

Aoi Sakurai and Shou Iwaizumi engage the terrorists to secure Haruka. However, the struggle leaves the train's controls destroyed, forcing the team to decouple the cars from the runaway locomotives to bring the passengers to a safe stop. Rail Wars! - Episode 11

Episode 11 of the Rail Wars! anime, titled (or simply "I'll Go With You" ), serves as the penultimate episode and the climax of the Prince Bernina arc. Plot Summary Critics noted the episode solidified Aoi's status as

Terrorists kidnap Haruka Koumi and demand Prince Bernina in exchange for her safety. Rail Wars! - Episode 11