en Cuevana 3. MechatroWeGo are robots that kids can pilot and operate. Satoru pilots an old WeGo that his grandmother gave to him as a gift. When the kids gather in their secret base to race their WeGos, Satoru can't take the first step. Satoru's classmate Akira invites him to race again. This is a story of a boy and his robot, set in a seaside town in the near future.