``That's why I don't like baseball in manga.'' Robot-kun joins a weak baseball team, but he's a big hustle!! Contains a message from Kaoru Kitamura, an author who loves the “robot series”! Commentary The 13th volume of Koremitsu Maetani's masterpiece collection includes three works in which Robot-kun plays an active role at the stadium! Play ball, the robot baseball that will make you laugh!! <Robot Golden Boy> Robot-kun, who was kicked out of his house, is scouted by the worn-out baseball team Donkeys! Blinded by the contract money, Dr. Toppi ends up chasing after Robot-kun...!? <Robot Mysterious Pitcher> Thanks to the super arm attached to Dr. Toppi, the robot pitches with ease!! He becomes a member of the Donkeys and faces off against the Giants! Robot-kun, a strong hitter, joins the poor baseball team Borolis, who helped him when he was on the verge of collapse. Can you lead them to number one in Japan?