Jiraiya said gloomily, "I didn't know my teacher... Hm, Hiruzen Sarutobi was that kind of person."
"After Natsuki and Orochimaru exposed the things he had done, I investigated them. All of it was true."
"But I didn't know about those things back then. I also didn't know Hiruzen Sarutobi had used so many Senju Clan members for human experiments."
Tobirama Senju's expression darkened.
"It's normal that you didn't know. Back then, my brother wanted the clan members to keep a low profile. Many of them even changed their names."
"I never expected that, after all these years, so many clan members would be gone."
Jiraiya did not know how to respond and remained silent.
Tobirama Senju said, "Tell me about Natsuki's rise to power."
As an intelligence agent, Jiraiya knew quite a lot about that.
He began with Shisui having his eyes taken by Danzo, then described how Natsuki had retreated in order to advance, making the Uchiha Clan withdraw from the Police Force.
He handed power over to the Hyuga Clan, then had Itachi, who had revealed his Susanoo, leave Konoha.
He placed a Sword of Damocles over Konoha's head, making Konoha afraid to use force while engaging Hiruzen Sarutobi in a Political Game through commerce.
This was interspersed with incidents involving Cloud Village and the suppression of Danzo.
Just as Uchiha Catering Industry was beginning to take off, Natsuki directly set out on a journey, went to the Land of Wind, and was suspected of making a deal with Rasa.
Then he went to Mist Village and exposed Obito's control over Mist Village.
After that, he invited Tsunade to the Uchiha Clan and made her their Medical Advisor.
He had Tsunade acknowledge Naruto as her younger brother.
He won Tsunade over, making the village wary of taking action.