There are 7 books by Koyuki on BookOrb. A strong starting point is Log Horizon (2017). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Showing 1 of 7 titles.
Frequently asked questions
How many books has Koyuki written?
BookOrb lists 7 books by Koyuki.
Where should I start with Koyuki?
A good starting point is Log Horizon (2017).
What is the Koyuki books in order list?
In publication order: 1. Log Horizon (2017).