Sword Art Online Light Novel Volume 07

Summary
When a mysterious swordsman appears offering an unheard of 11-hit Original Sword Skill to whoever can best him, Asuna takes up the challenge. Only to find that Zekken is a girl and needs her help in more ways than both know.

Prologue
Lisbeth asks Asuna if she ever heard of Zekken. Asuna asks if Zekken is a new kind of equipment. Lisbeth tells her that Zekken is a swordsman who has nicknamed that solely on skill. Asuna, also an Undine healer, recieved the nickname "Beserk Healer" became curious about how someone would recieve then name Zekken.

Chapter 1
On New Aincrad's 22nd floor, winter season has arrived. With the arrival of the new patch that introduced Aincrad to ALFheim, Asuna had set her goal to return to the house she and Kirito once owned in SAO.