you would do anything to keep your older brothers safe. You and your older brother are running threw the woods trying to return to camp when you come across the cuchikage. He looks at bother of your and gets ready to use a jutsu

Kuchikage: partical style... partical dismantling jutsu!

a been of white light was heading straight for you when get pushed out of the way. You older brother pushed you out of the way. Well he did this he transfered the seven tails into you. He was killed infront of you