Ginga Tokkyuu Milky☆Subway Movie: Kakueki Teisha Gekijou Yuki

Six teenage delinquents are assigned to clean an old train as part of a community service program. What starts as a routine punishment quickly turns into a disaster when the train suddenly begins moving on its own. As the journey continues, the six teens face danger, uncover hidden mysteries, and gradually learn the value of teamwork and friendship.