The Michiki's was a five members party led by Michiki. They often hunted at the Cyrene Mine. During the battle against Death Spot, Mutsumi and Ogg died. Michiki stays and and sacrifices himself to let Mary and Hayashi escape. The party is then disbanded.
During Haruhiro's' exploration of Cyrene Mine, it is revealed that its deceased members are an Undead. They are defeated by Mary's Dispel.