Rock Lee
Tsunade is a Konohagakure medical ninja. When she returns to lead the village as the Fifth Hokage (Konohagakure's leader), she offers to operate on him. Even though there is fifty percent chance of failure, Guy encourages Lee to have the operation. After that, Lee undergoes the surgery, which succeeds in healing his arm and leg. Right after the operation, Lee follows a team of ninja led by Shikamaru Nara who try to stop Sasuke Uchiha from leaving the village and going to the village of Otogakure. Lee battles the Otogakure ninja Kimimaro using the  fighting style. When Kimimaro is about to defeat Lee, Gaara comes and continue the battle.