MINKY MOMO in Tabidachi no Eki

A train station is believed to be a place where forgotten items and people gather. On a rainy day, a girl boards a train heading toward her destination and talks to an elderly man who is attempting to reunite with someone significant. After realizing he left his passport on the train, she sets out to find him, eventually meeting both another version of herself and a young girl connected to the station who needs their help. The girl seeks a way to resolve her own issues.