The traitor inside Rath turns out to be a researcher named Yanai. When Higa attempts to restore Kirito, Yanai tries to thwart the operation by holding him at gunpoint. Meanwhile, in the Underworld, Sinon confronts Gabriel, who has logged back in.

Cast: Haruka Tomatsu, Ayana Taketatsu, Miyuki Sawashiro, Ayahi Takagaki, Rina Hidaka, Hiroaki Hirata, Yû Shimamura, Daiki Yamashita, Chiwa Saitô, Sayuri Yahagi, Megumi Han, Junya Enoki, Taku Yashiro, Lynn, Akira Ishida