Board Thread:Questions and Answers/@comment-2607:FB90:FDA:EC1B:9826:A373:70CC:4D3B-20190219193214/@comment-2605:3E80:800:0:0:0:0:6DA-20190220021918

2607:FB90:FDA:EC1B:9826:A373:70CC:4D3B wrote: So would you say volume 21 isn't the end of the story? Ofcourse not, Volume 21 is probably the last Arc of Sword Art Online main series.

But last Arc can be several volume, Alicization Arc was 10 book, from Volume 9 to 18. so Unital Ring can also be several Volume.

Volume 21 is only the start of Unital Ring Arc.