Based on the spin-off of the same name written by Keiichi Sigsawa, the series takes place in the world of Gun Gale Online (GGO), the series follows Karen Kohiruimaki (voiced by Tomori Kusunoki), a 6-foot-tall college student who's insecure of her height and is bad at dealing people in real life. In GGO, her avatar is the less than 5-foot-tall Llenn and wears all pink.
Sword Art Online: Alternative Gun Gale Online II is set to premiere this October. Lastly, the show's first season will get a rebroadcast in July.
[Source: Anime News Network]