Natural Killer Saibou - ナチュラルキラー細胞
(Petty Woman, Nachuraru Kira Saibou, Natural Killer Cell, NK Saibou)
About
She is a white blood cell, specifically a Lymphocyte (Natural Killer Cell). She is tasked to identify, track, and kill viruses and infected cells by moving freely from tissue to tissue.<br><br>(Source: Cells at Work Wiki)
