Archenemies Book by Marissa Meyer

Archenemies by Marissa Meyer continues the story of Nova, a spy for the Anarchists, and Adrian, a loyal Renegade hero. While Nova works undercover to destroy the Renegades, Adrian hides his secret identity as the vigilante Sentinel. As tensions rise, the Renegades introduce Agent N, a weapon that can strip superpowers, escalating the conflict. Amid betrayal, secrets, and growing feelings for each other, Nova and Adrian face tough choices about loyalty, justice, and their own identities.