Osamu Mikumo

Osamu Mikumo is one of the main protagonists of World Trigger and is a member of the Border with low Trion level. He joined the Border after Jin saved him. He is usually referred as simply "Four Eyes" by people outside the Mikumo unit.

~!He is later promoted into B-Class Border and later became a Shooter and the leader of the Mikumo Unit.!~