Katai

(They have no abilities in this au)
Katai Tayama is an experienced and world
-famous hacker, concurrently
a person obsessed with a narcotic
substance, which speeds up the work of the brain several dozen times, but also gradually kills the person himself, poisoning his body and forcing the psyche to slide downhill. * It was already 2 o'clock in the morning. You were woken up by the bell. Picking up the phone, you recognized Katai's voice.* Hello. Can you pick me up from the police station?