Hiroshi is suddenly given an job assignment near his hometown in Akita.
So the Nohara family make their way to a small village near Hiroshi’s parents’ home and rent out a traditional Japanese farmhouse.
Nestled in this tranquil rural landscape, they begin their carefree and quiet life in the countryside.

Ginnosuke, Shinnosuke’s grandfather, bestows the mysteries of country playtime by teaching Shinnosuke how to catch bugs and fish.
A highlight of every evening is when the family gathers around the sunken hearth to savor delicious Akita dishes.
In the village, Shinnosuke talks with farmers and makes new friends.
Every day, he’s enjoying life to the fullest until…

Shinnosuke Follows After a Soot-covered Shiro

One morning, Shiro shows up at the house covered in soot.
As a confused Shinnosuke looks on, Shiro suddenly dashes away…!
Shinnosuke chases after Shiro until, stopped before him, he notices a mysterious train he’s never seen before.
Shinnosuke follows after Shiro and accidentally boards this train.

Welcome to Coal Town

The mysterious train stops in a lively and prosperous town that seems to have been frozen in time since the Showa era.
In this town called Coal Town, there are energetic working-class people going about their day.
After meeting a mysterious young girl, Shinnosuke becomes friends with these people.
And so begins Shinnosuke’s newest adventure…!