On their way home from school, Yoichi and his friends are approached by a traveling chef named Matasaburo. The next day, Matasaburo transfers to Yoichi's school and explains that he is a disciple of Ajio and has come to compete against Yoichi. The item to be competed in is a udon delivery contest, with the students having to deliver the noodles from the school cafeteria to the president's office.