Naruto: Ten Thousand Worlds Lottery, Summon Chiton at the Beginning

Sakuya traveled to the world of Naruto and became one of the few ninjas with both parents. His parents are both civilians, and he is a ninja from a civilian family. No resources. No background. There is no teacher. Fortunately, on the first day of enrollment, the lottery system was awakened. In the first shot, a Zhidun cub was drawn out and a blood contract was signed with it. What Raikage and Tsuchikage are talking about is my one trillion fireball.