A BRAND-NEW BATTLEFIELD AWAITS!The fourth Squad Jam heats up, with the marriage between Karen and businessman Fire Nishiyamada hanging in the balance! Despite this, Llenn cares only about settling her long rivalry with team SHINC. She’s unprepared, though, for a shocking revelation about her battle against them-SHINC has allied themselves with a bunch of cowards! Reki Kawahara is an award winning author best known for his light novel series, Sword Art Online and Accel World . Keiichi Sigsawa is the artist of Sword Art Online: Alternative Gun Gale Online.