Naruto. Naruto. Book 8. Rebirth

Aiming to gain incredible power, Sasuke leaves the Leaf Village and heads to Orochimaru with the Sound Four. Upon learning of the events, Tsunade, who has recently been appointed the fifth Hokage, sends Shikamaru, Naruto, Choji, Neji, and Kiba after the runaway. They quickly catch up to dangerous foes, but immediately face a serious problem: Orochimaru's henchmen decide to split up. Choji battles Jirobo alone, convincing his teammates to continue the chase without him. Will the young Leaf shinobi reach Sasuke in time, or will Choji's efforts be in vain?..
The book includes chapters 191–217.