Naruto: the Hidden Story

On the surface, he is the undisputed king of ramen in Konoha and one of Naruto's best friends. Secretly, he is the guardian and balancer of the plot hidden in the darkness. He silently watched the changes in the ninja world, punching, drawing knives, and using his eyes from time to time, but he had to lurk all the time and be an unknown hero. The protagonist here is also named Ichiraku, but his surname is not Otsutsuki...