Senro Tetsuo is a 28-year-old former part-time worker and train enthusiast. After the sudden death of his father, who was a member of the Diet, Senro was pushed into the election despite his lack of interest and was elected as a rookie politician. In order to secure votes, Kuroda, the boss of the faction to which his father belonged, orders Senro to support the abolitionists of the Doinaka Railway, which is in the red. Senro hides his train enthusiast status and heads to Doinaka Station as a member of the road tribe, but...!?