When a series of mysterious attacks involving Cogito infected AutoReivs occur, Re-l is assigned to investigate, and encounters a humanoid monster. Later, she is attacked by two of these monsters at her home.

Romdo is no longer a safe haven for Vincent. He is trying to avoid capture by the authorities. As he flees he comes across the infected AutoReiv Pino. Pino then shows him the way to escape from Romdo to the outside world. Re-l struggles to contact Vincent and uncover the true nature of his involvement with the Proxy.

A Cogito outbreak spreads through Romdo and the city falls into chaos. Vincent incites the people to revolt, pushing them to hunt down and kill all AutoReivs.