A combat android who protected mankind from alien invaders. Now a retired soldier turned French Maid to serve a boy who was her late commander for the remaining 398 days she has to live. She's also known for her anti-ecchi personality by confiscating porno magazines with her catchphrase: "Dirty Thoughts are Bad!".
Guy #1: What do you think of Mahoro Ando?
Guy #2: I dunno, if she was real I'd lock up my secret stash of porn.