The ice sniper from Gun Gale Online, Sinon, successfully logon into Underworld using a super account Solus, the goddess of the sun, to help Asuna and Kirito inside the Underworld against tons of Crimson Army and The Dark Knight.

Cast: Yoshitsugu Matsuoka, Haruka Tomatsu, Ayana Taketatsu, Miyuki Sawashiro, Hiroaki Hirata, Jun'ichi Suwabe, Mutsumi Tamura, Reina Kondou, Kaori Ishihara, Megumi Han, Akira Ishida, Tsuyoshi Koyama, Junya Enoki, Yûko Kaida, Kei Minegishi