The Sword Art Online anime series, based on the light novel series by Reki Kawahara, was first aired in Japan.
The original Sword Art Online light novel series by Reki Kawahara began publication.
A theatrical movie titled Sword Art Online: Ordinal Scale was released, continuing the story of the series.
Announcement was made for the anime adaptation of Sword Art Online Progressive series, a retelling and expansion of the Aincrad arc.