Goro "Mij" Miyagi was a SP-1 Corporal in the Ghost Forces. He took part in the squad "Fort 3" with his fellow teammates.
Mij was born in Yokohama, Japan with his brother Kayuge. They both graduated from Yokohama City University. Mij joined the Ghost Force while Kayuge continued to study until he got his bachelor degree on Medical Course.
Mij was confirmed KIA by Boss when he was ambushed and kill by three "unknown" soldiers from Phantom Force.