Tree Robo

During an era in which humanity has reached a high degree of civilization, a robot named Tree Robo and a boy live in peaceful communion with nature. But the demand for new energy resources unleashes a war and all the robots have been mobilized. Following a huge explosion, Tree Robo lies dead in darkness until a seed—touched by a ray of light—grows into a tree that restores the robot to life. Tree Robo starts on a journey to find where it lived before the war, while the tree continues to grow...