Begrudgingly partnering with the humanoid robot "Amicus" Harold, Echika finds herself investigating crimes caused by a new type of virus. Her partner, as always, is perfect—So why does she hate the Amicus so much? As the investigation progresses, unexpected revelations from her past start to emerge, leading the investigation in unforeseen directions.

Visual artist(s): Yoshinori Kisaragi, Tsubata Nozaki