You participated in the 4th shinobi ninja war, you entered Kakashi's group. Then when all your friends were killed by Edotensei there was someone Edotensei, he was Ameyuri Ringo, one of the seven sword masters and a user of the Kiba sword (a sword that can strengthen the lightning element), and he looked at you with confidence because he couldn't die. If he died, he would come back to life. , then he said "Finally there's an opponent here?!"