修行の旅の途中、伊賀の里に松左衛門という男が迷い込む。村で一番強い者と勝負をしたいという松左衛門に、オルが対戦相手として名乗り出る。オルに敗れた松左衛門は「まだまだ修行が必要だ」と里を去る。決闘に満足できなかったオルは、松左衛門についていくことに。一方、村人たちは、こんにゃく山の中で「遊ぼう」と呼びかける謎の声が聞こえ続けるのを耳にしていた。偶然にも、オルが向かった方向にはこんにゃく山があり……。
A man named Matsuzaemon wanders into Iga Village from his journey while training. Matsuzaemon seeks to fight the strongest person in the village, so Olu steps up as his opponent. After being defeated by Olu, Matsuzaemon claims he “still needs more training,” so he leaves the village. Olu decides to follow Matsuzaemon after being left unsatisfied with the duel. Meanwhile, villagers keep hearing a mysterious voice calling out the words “Let’s Play” within Mount Konyaku. Coincidentally, Mount Konyaku is also in the direction Olu was heading towards…
