Earth, Japan, Tokyo, February 2026. The assassin Johnny Black attacked Kazuto Kirigiya, and left the former Black Swordsman in a coma, with brain damage... So, how exactly did he disappear from a hospital bed, under 24 hour supervision? Even with all minds on the case, the former SAO players hit a dead end, until one night, when a random call changes everything they ever knew...

One is already familiar with this story. Kazuto Kirigaya is about to undergo a death game and he needed to find a way to survive. But what if there was more to it than just that? Sword Art Online is one of, if not the most important event in human history because history turns so much. Logically, there are those who would want to exploit this game to their own ends.

Contrary to what is believed, there was someone trapped in the death game Sword Art Online long before that fateful launch day. Someone known all over the galaxy, trapped by Akahiko Kayaba to help create SAO. Now he roams the game, hoping that he will be able to save 10,000 people from death. It's a good thing the Doctor has experience, no?

Mataras made his sacrifice with a clear mind, and peace had claimed him. However, not all may be well, and his work may not yet be finished. But who can possibly show him that he can't quite relinquish his hold on life? Perhaps a madman in a blue box will do the trick! Takes place during the Red Swordsman Chapter: At the End. Requested by Northern Warrior