Osamu Mikumo - 三雲修

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](https://anilist.co/character/89014/Jin-Yuuichi) 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.!~