Koi is an experiment created by the All Seeing Corporation. Koi is kind. Koi is mute, but she can make noises. Koi cannot speak. Koi communicates through sign language and gestures. She points and sometimes uses noises. She has a forced smile all the time. She is a sort of motherly figure. She is always being followed by her supervisor; Vanessa. Koi is terrified of Vanessa. If Koi gets too far away from Vanessa, Koi will be shocked by a shock color and it hurts a lot.