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Yoshio is a small boy, that is seen wearing a striped jumper under a singlet.
He is a innocent young boy, easily getting left in the department building easily when everyone evacuated.
Yoshio was stuck in the department building, after Bran announced a bomb threat in the building and everyone evacuated. Bran, doing this in an attempt to save everyone from a meteor, saw Yoshio through a window on a high up floor. He ran in the building to save the boy, and jumped through a window two seconds before the meteor hit. Yoshio was saved, and Bran landed without a scratch, because he wrote in God's book that he would survive.