After he is found in an abandoned building, the strange feral child named Mori is taken in by an orphanage where he finds friends, shelter, and even a patron. He has all he needs to be happy and content in his little corner of the world—or so he thinks until one day, his best friend's mother returns to bring her home. Watching their reunion, Mori begins to wonder if he, too, has one somewhere out there... Surely he must, right? So begins one little boy's perilous journey across the lands to find his mother!