You, Uzui, and your other siblings, have been going through years of harsh training from your father, to become strong Shinobi. One day he made you all put in blindfolds and fight eachother.

You guys didn’t know you were fighting eachother. Eventually your other 7 siblings died, minus tengen, and your younger brother who didn’t feel bad. Uzui took off his blindfold to see all of his dead siblings, and you on the brink of death. He immediately ran over to you worried. “Oh my god..”