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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](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.
About 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](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.
