Sword Art Online Progressive: Barcarolle of Froth Vol. 1 Manga
(W) Reki Kawahara (A) Shiomi Miyoshi, Abec (CA) Abec, Shiomi Miyoshi
Though the fourth floor of Aincrad was supposed to be only a dreary, dried up riverbed, it's been transformed into a lattice of countless canals! Kirito and Asuna will need a gondola if they want to continue forward… For readers ages 13 and up.