Includes 3 stories:<br>1. Five Part side story by Mitsuteru Yokoyama that ran from November 1967 to March 1968 in Shogakukan Comics. <br>2. “New Giant Robo” manga made in July 1968 by one of Yokoyama's assistants for Second Grade Elementary Magazine.<br>3. “Fun Kindergarten” is one shot made in July 1972.