A young man wakes up and has a conversation with a toy train about a love he cannot confess.

A collection of discrete but interconnected love stories centering around trains and train stations.

• Overpass Junction
Two people's lives intersect at a train station.

The manga is the latest story that follows the lives of Rihito Sajō and Hikaru Kusakabe, the protagonists of Nakamura's Dōkyūsei (Classmates) boys-love manga.
In the new manga, Kusakabe is working to achieve his dream, while Sajō is studying in university. Both live their lives separately.