Mother's Rosario Arc

Asuna befriends a girl named Yuuki Konno, leader of the Sleeping Knights, who asks Asuna to join them in one last quest together.

The Mother's Rosario arc is part of the second season of the Sword Art Online anime television series, titled Sword Art Online II. It adapts material from volume 7 and parts of volume 8 of the light novel series written by Reki Kawahara and illustrated by Abec. The story follows Asuna as she befriends a girl named Yuuki Konno, leader of the Sleeping Knights, who asks Asuna to join them in one last quest together. However, Asuna later discovers that Yuuki is suffering from a terminal illness and does not have very long to live.