Appearance: An express-type train. Personality: Debuted in the 1980s, making him a bit of an old-timer. He's a dandy middle-aged man who occasionally lets his "old man" side show. Having been raised in Tokushima, he talks about local topics. Within the Tokushima Depot, he commands authority alongside the KiHa 40 series and is greatly feared by the 2600 series. As his comrades gradually retire, he seems to have become a bit rougher lately. He speaks in a regional Kansai-style drawl. He addresses the protagonist, the 1000 series, simply as "1000-gata."

Appearance: The beloved suburban-type train. Personality: Like the KiHa 185, he debuted in the 1980s, so he's a dandy middle-aged man with some old-fashioned quirks. He boasts a wide range of operation and is very knowledgeable. Raised in Tokushima, he talks about local matters. He holds authority in the depot along with the KiHa 185 and is feared by the 1600 and 1500 series. However, because he's considered outdated, the 2600 and 2700 series look down on him. With his numbers dwindling, he seems tired lately. He speaks in a regional Kansai-style drawl. He addresses the protagonist, the 1000 series, as "1000-gata-san."

Appearance: A modern express-type train. Personality: A newcomer to the Tokushima Depot. He's a bit of a maverick and is usually a loner. Lately, he's been trying to change his image because he wants everyone to notice him. He is terrified of his senior, the KiHa 185. Being a youngster, he speaks in standard Japanese. He addresses the protagonist, the 1000 series, as "1000-gata."

Appearance: A suburban-type train with a somewhat goofy face. Personality: He covers a wide area of operations and is quite knowledgeable, though not as much as the KiHa 47. He occasionally makes disparaging remarks about other trains, which earns him a scolding from the KiHa 47. He calls the protagonist, the 1000 series, "Big Bro."