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About : Age: 15 Birthday: May 23 Zodiac Sign: Lepus Species: Human Height: 168 cm Blood type: A Affiliation: Border Team: Tamakoma-2 (Mikumo Squad) Rank: B Squad position: Shooter, Attacker(former) Side effect: Trigger type: White 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 Squad. He is later promoted into B-Rank and l...