Bisuke Koiwai is a minor character in the Naruto anime series. He is a young boy from the Land of Tea and the son of Idate Morino's employer. Bisuke appears during the Land of Tea Escort Mission arc, where he befriends Naruto Uzumaki and his team. His cheerful and brave nature helps encourage the main characters during their mission. Although not a ninja, Bisuke's innocence and optimism play a small but important role in the arc by inspiring those around him.