Sword Art Online Progressive Canon Of The Golden Rule (Manga) Vol 01 (Mature)

The SAO Progressive series continues, following Asuna and Kirito to the sixth floor of Aincrad, where puzzles and brainteasers galore await them! Will our sword-swinging pair burn out on a mental challenge, or will the frightening gang of player-killers catch up with them first...? Yen Press
(W) Reki Kawahara (A) Abec, Mugetsu