How does Keira represent the perils of VR in the novel, Warcross?

Keira, Emika's roommate at the start of the novel, symbolizes what happens to those who become too invested in Warcross. Keira struggles to obtain a steady job and elects to spend nearly all her time in the virtual reality of Warcross. Thus, she symbolizes the perils of playing a VR game in the novel, where she begins to prefer the game to the real world.