Most Medical Ninja had no experience fighting others and needed protection, so Kazemori Masaki sent a ninja squad along with them. Tsunade had no objections. She knew Medical Ninja who could fight as well as she could were rare; she simply had not expected one particularly annoying fellow to be among their escorts.
"Hey, I didn't expect you to be on this Medical Team too." Jiraiya, who had a head of white hair despite his youth, greeted Tsunade.
"I should be the one saying that. What are you doing here?" Tsunade asked, looking less than pleased.
"Isn't it obvious? Because I'm so strong, of course." Jiraiya proudly thumped his chest. "I bet you didn't know I've spent this past year traveling all over the place. I've seen plenty of fascinating things."
Commercial activity in Konoha Ninja Village was now thriving. To provide support and protection, young ninja usually accompanied merchants on their travels, solving the problems they encountered and honing their own abilities. They were then assigned to the appropriate departments based on their talents.
Jiraiya was not a Medical Ninja or research ninja who could stay in the village without needing to venture outside. A man of action, he had taken part in numerous practical assignments commissioned by the village, learning a great deal and gradually bringing his talents into play. He was one of the ninja the village valued highly.
That was one reason Jiraiya had joined the squad protecting the Medical Ninja. Another was a small personal wish of Kazemori Masaki's. Among the readers in his previous life, many regretted how the relationship between Tsunade and Jiraiya had turned out, and "Kazemori Masaki" had been one of them. Even though Tsunade had an actual lover, Dan Katō, he still felt that way.
One particularly memorable scene was