Battle!! The Ultra Evolution Institute's Hot Springs Trip

Shinkansen Henkei Robo Shinkalion · Episode 9 · “Battle!! The Ultra Evolution Institute's Hot Springs Trip”

In the franchise's story, Hayato Hayasugi, the train-loving son of a train museum curator, accidentally stumbles into his dad's secret research lab one day. Inside he finds the E5 bullet train. As soon as he enters, he hears an announcement that a mysterious enemy, the Bachigami ("bee god"), is...