There are 5 books by Yagami Yu on BookOrb. A strong starting point is Dokkoida?! (2008). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Yagami Yu written?
BookOrb lists 5 books by Yagami Yu.
Where should I start with Yagami Yu?
A good starting point is Dokkoida?! (2008).
What is the Yagami Yu books in order list?
In publication order: 1. Dokkoida?! (2008), 2. Orphen el Brujo 3 (2020), 3. Orphen el Brujo 1 (2020), 4. Orphen el Brujo 2 (2020), 5. Orphen el Brujo 4 (2021).