Sword Art Online: The Fourteenth Autumn, ソードアート・オンライン ピナ・エディション
1. The Fourteenth Autumn (十四回目の秋); Aincrad 35th floor, October 4, 2024Brief story about Silica and Kirito approximately one month before the clearing of SAO. Also introduces the «Angels Ring», which is used later in Sword Art Online: Girls Ops.