Cellphone Investigator 7 Season 1 Episode 36 Friend ( Air Date 2009-01-14 ) Genre Sci-Fi & Fantasy, Crime, Action & Adventure, Drama category. Overview "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".".