Sword Art Online: Progressive – Kuraki Yuuyami No Scherzo

Kirito and Asuna have been trapped in the death game “Sword Art Online”

for less than two months. He had reached the fifth floor of the Archeological Area.
In the underground graveyard dungeons and huge mazes, ghosts such as Ghost Undead

which Asuna is not good at, and 《PK》 who show suspicious movements are wriggling.