引っ越してきた田舎町で、サクラが友達になったのは、突如現れた友好珍獣ピグモンだった。毎日のように遊んで、仲を深めるサクラとピグモン。ある日、サクラがショッピングモールに出かけたおり、ピグモンがサクラを追って街中に出てきてしまう。驚いてピグモンを捕まえてしまった町民たちと大地は対立するが、そこに海獣キングゲスラが現れる！
In the rural town where she had moved, Sakura befriended the suddenly appearing friendly monster Pigmon. Sakura and Pigmon spent their days playing together, becoming close friends. One day, when Sakura went to the shopping mall, Pigmon followed her into the city. The townspeople, surprised to find Pigmon, clashed with Daichi. Just then, the sea monster King Guesra appeared!
