Keromatsu VS Gekogashira! Ninja Battle!!

During our heroes' journey to Shoyo City, Satoshi and Keromatsu meet a young ninja named Sanpei and his Gekogashira. Satoshi challenges them to a battle, and Gekogashira defeats Keromatsu with an impressive Quick Attack. Sanpei is about to take his leave when Satoshi asks him for some special training--he's never seen anything like Gekogashira's Quick Attack, and want...