Midori Kirigaya

Kirito and Suguha's mother in the real world. After Kazuto got trapped she went to the hospital two months prior to lean by Kazuto's side, eyes brimming with tears and smile bright with gladness that he was still alive.

[Spoiler] Kazuto is actually the child of her older sister. [/Spoiler]

She works as a editor for a computer systems magazine and always works in the morning.