Yuuko Amasawa

天沢勇子, Isako
Nicknamed Isako which is another reading of meaning brave girl Yko Amasawa is a powerful type of hacker known as an encoder who breaks into the code and infrastructure of the virtual world itself for power and metabugs. Rumored to have familial ties to an AR technology company Isako uses a BrainComputer Interface to interact with the virtual world a function supposedly hidden deep inside the hardware of AR visors and eyeglasses. Isako relentlessly chases a special type of living metabug virus that harbors a keyhole in its body. Isako is on the surface extremely arrogant and nonsocial perceiving human relationships strictly as hierarchies of power.