Manabe Mina, a member of the Special Investigation Division 9 of the Earth Federation Government, is a highly skilled operative specializing in counter-espionage and anti-terrorism. She was once caught in an accident caused by an android, losing 90% of her body and her beloved partner. Overcoming that trauma, she now fights to eradicate android-related crimes with a cybernetic body and a digitized brain. To her team, maid-assigned Azuki Tsuji is assigned. As Mina's past intertwines with Azuki's presence, a new battle begins.