Obito said indifferently, "I don't care. I want to kill that old bastard Danzo anyway, so the reason doesn't matter, as long as you don't stop me. All right, I'm off to see Rin. I've been back for so long, and I still haven't seen her. Why am I wasting my time chatting with a lonely bachelor like you?" With that, Obito activated his Mangekyo's ocular power and slipped into the Kamui Dimension.
Watching Obito disappear, Kakashi looked up at the sky and said slowly, "The real reason I want to kill Danzo is that he caused Rin's death. After all these years, I finally found out the truth. Back then, Danzo deliberately let people from Kirigakure into the village to abduct Rin. His goal was actually to give Konoha another tailed beast. I don't object to him acting for the village's sake, but he used Rin as bait. That's what I can never accept." Deep hatred showed in Kakashi's eyes.
As it turned out, Danzo had learned in advance that Kirigakure planned to abduct someone from Konoha and seal the Three-Tails inside them, then let the Three-Tails rampage through Konoha so they could seize the opportunity to attack.
After learning of this, Danzo had done nothing to stop it. Instead, he had let Kirigakure's people abduct Rin Nohara and seal the tailed beast inside her. Once she returned to Konoha, he would take control of her. That way, Konoha could thwart Kirigakure's plot while gaining another tailed beast, and that tailed beast would belong to Root.
Danzo had planned to extract the tailed beast from Rin Nohara once he had her under his control and seal it inside himself. He possessed the First Hokage's cells, which would allow him to control a tailed beast. Besides, the Three-Tails was not