Sword Art Online or SAO for short, a popular light novel story written by Reki Kawahara is also the man behind the Accel World light novel series. The anime adaptation produced by A-1 Pictures, here’s some popular titles under A-1 Pictures studio Nanatsu no Taizai, Shigatsu wa Kimi no Uso, Ano Hi Mita no Namae wo Bokutachi wa Mada Shiranai., Darling in the FranXX and Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen. Sword Art Online consists of 25 episodes, runs around 23 minutes per episode and aired from July 2012 to December 2012. Opening song “crossing field” performed by LiSA and “INNOCENCE” performed by Aoi Eir. Ending song “Yume Sekai” performed by Haruka Tomatsu and “Overfly” performed by Luna Haruna. Sword Art Online is directed by Tomohiko Itou. In year 2022 the real progress of virtual reality progress and one of the games they are expecting is the online role-playing game called Sword Art Online is launched, with the use of “NerveGear” technology the players can