Sword Art Online: Phantom Bullet, Vol. 3 (manga)

With the prelims over, it''s time to head into the main event-the Bullet of Bullets tournament! But this fun free-for-all has turned into an IRL death match when a member of SAO''s Laughing Coffin raises the stakes. Can Sinon and Kirito figure out who Death Gun is before it''s too late?!