Haru (Iijima Hiroki), who had loved trains since he was young, fulfilled his dream of working in a railcar manufacturer, but an incident caused him to fall into despair and lose his motivation for everything. After returning to his hometown of Nagoya, he lives a life without purpose. One day on the last train to his late-night part-time job, he meets his childhood friend Mako (Kumada Rinka) for the first time in 15 years…