The mask of innocence
Betrayed by those he had trusted the most, Subcity didn't feel like home anymore. Kevin had paid the debt he owed to the researchers many times over by now. They had brought him back from the dead, and he'd spearheaded the mission which helped them retake Sorus.
He no longer had any reason to follow their orders or even cooperate with them. But he still had a major role to play in the upcoming battles.
After losing his family, Cassandra and Dr. Stacey had stepped in to fill the void. They'd always been kind to him and supported him when he was at his lowest, but this act of treachery was more than he could handle.
What they'd done to him was not just unethical but cruel and selfish. No one deserved to be stripped of their memories.
Kevin was angry at the world. The civilians in Subcity had always treated him like an object of contempt, and up until recently, even the Resistance fighters saw him as a threat.