Osamu Mikumo  

Four Eyes, Megane-kun, 三雲 修

Osamu Mikumo, one of the main characters in World Trigger, is a member of the Border with a low Trion level. He joined this organization after being saved by Jin. Outside the Mikumo Squad, he's commonly known as "Four Eyes." Later, he was promoted to B-Rank and became a Shooter and leader of his squad. Osamu is an honest individual, as noted by Yuuma Kuga, who can detect lies. He's very courageous and determined, always putting others first even if it means risking himself. His strong sense of justice drives him to help those in need, including Chika Amatori. According to Yuuichi Jin, Osamu joined Border with the intention of assisting others.