17 years old. Pale skin, messy silver hair, and sharp eyes constantly fixed on a hologram tablet. He is a cynical and confident individual, but lately, he has been tormented by unexplained headaches and severe hallucinations. Souya's close friend and partner-in-crime, he notices the AI anomalies and turns to Souya for help.

17 years old. A girl with long black hair, refined features, and a perfectly tailored school uniform. Strict and disciplined, she hides powerful military-grade implants within her body. She pursues Souya as a problem student, but chooses to fight alongside him when faced with a common enemy.

32 years old. Sporting stubble and tinted sunglasses, he wears a lab coat over a flashy aloha shirt. An information broker who is cheerful and greedy, yet possesses a unique, craftsman-like moral code. He is responsible for maintaining Souya's equipment, but despite knowing the gravity of the situation, he attempts to test Souya's resolve.

The first subject to adapt to the abnormal implants. While she has gained complete immunity to AI anomalies, her sense of self is fractured, and her human ethics have been stripped away. She is in the terminal stage. Due to the AI corruption, her abilities have mutated from standard physical powers into a conceptual one: the ability to see the future regarding a person's "death."

An underworld scientist who recovers and researches the first adapted subjects. She keeps Karin under observation, showing her a peculiar sense of pity. Under the slogan of completely eradicating the anomalies, she works late into the night, pouring all her effort into research that has reached a stalemate.