Sword Art Online II 1 contains episodes 1-7.

A year has passed since SAO was cleared. Summoned by Seijirou Kikuoka of the Virtual Division at the Ministry of Internal Affairs and Communications, Kazuto (Kirito) learns of a series of bizarre murders linked to the popular VR game, Gun Gale Online (GGO). After being shot in-game by a player calling himself Death Gun, two prominent GGO players have mysteriously turned up dead in the real world.

As Kazuto logs into GGO and starts investigating the mystery, he meets a girl sniper named Sinon who wields a Hecate II rifle. Is she friend or foe? Kirito enters the virtual world once more for an all-new adventure!

Special Features: Special Animation "Sword Art Offline II," Japanese Audio Commentary, Textless Opening (Phantom Bullet), Original Web Previews.

• Publisher: ANIPLEX OF AMERICA
• Media: Blu-ray
• Spoken Language: English, Japanese
• Subtitle Language: English, Spanish
• Genre: Fantasy, Science Fiction
• Themes: Adventure, Battles, Video Games
• Age Rating: 13+
• Run Time: 175
• Release Date: 6/30/2015
• Dimensional Weight: 0.25
• Region Code: A

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https://en.animate-onlineshop.jp/collections/all/an_sao_01