List is compiled from the Oricon website.
10. 6,180 Copies Sold – Vol. 4
aka 新説 狼と香辛料 狼と羊皮紙 Ⅳ
aka Wolf and Parchment
Sequel series to Spice & Wolf. Both the prequel and sequel series are licensed by Yen On.
9. 6,383 Copies Sold –
aka A3! バッドボーイポートレイト
aka A3! Bad Boy Portrait
8. 7,538 Copies Sold – Watashi, Nouryoku wa Heikinchi de tte Itta yo ne! Vol. 10
私、能力は平均値でって言ったよね! 10
aka Didn’t I Say to Make My Abilities Average in the Next Life?
Licensed for English release by Seven Seas
7. 7,664 Copies Sold
本好きの下剋上～司書になるためには手段を選んでいられません～第四部「貴族院の自称図書委員Ⅵ」
aka Ascendance of a Bookworm
Licensed for English release by J-Novel Club
6. 7,821 – Copies Sold – Shōsetsu eiga doraemon Nobita no getsumen tansa-ki
aka 小説 映画ドラえもん のび太の月面探査記
aka Doraemon the Movie 2019: Nobita’s Chronicle of the Moon Exploration
5. 8,139 Copies Sold – Maou Gakuin No Futekigousha Vol. 4
魔王学院の不適合者 4 上 ～史上最強の魔王の始祖、転生して子孫たちの学校へ通う～
No English license
4. 11,285 Copies Sold
浅草鬼嫁日記 六 あやかし夫婦は今ひとたび降臨する。 Vol. 6
aka Asakusa Devil Wife Diary
No English License
3. 11,305 Copies Sold – Death March kara Hajimaru Isekai Kyusoukyoku Vol. 16
デスマーチからはじまる異世界狂想曲 16
aka Death March to the Parallel World Rhapsody
Licensed for English release by Yen On
2. 17,246 Copies Sold – Goblin Slayer Vol. 10
ゴブリンスレイヤー 10
Light Novel series is licensed for English release by Yen On
1. 18,037 Copies Sold
aka 新約 とある魔術の禁書目録 22
aka A Certain Magical Index New Testament
No English license for the spin-off series. The main series is licensed by Yen On