Cellphone Investigator 7

Cellphone Investigator 7 (2008) is a sci-fi & fantasy, crime, action & adventure with 1 season created by Takashi Miike, rated 8.7/10.

Seeking an escape from his mundane life, high-schooler Keita Amishima stumbles into the secret life of an agent of UNDER ANCHOR - a covert organisation combating cyber terrorism. Keita isn't alone, as he is partnered with an A.I. - the Phone Braver "Seven". Together, Keita and Seven work to counter cyber crimes, all the while dealing with the machinations of a rogue Phone Braver, "Zero One".