Episode Title:
Code 871.
Episode Description:
Revealing that he is the traitor cooperating with the Americans, Yanai confesses that he used to work with Sugou in his illegal experiments and was also working with Administrator to sabotage the Alicization Project out of love for her and wants Kirito to die in revenge for her death. Meanwhile, Kikuoka and Rinko discover that Yanai was responsible for inserting code 871 into UW and realize his betrayal...
