Countdown as posted on My Anime List – https://myanimelist.net/news/56748475
10. *4,643 **4,643 Nogizaka Asuka no Himitsu Vol.3
Sequel to the series Nogizaka Haruka no Himitsu
No English License for this series or its parent series.
The parent series had 16 light novel volumes
Parent series had 28 total anime episodes (2 seasons + OVAs)
The original series had 16 volumes, a manga, and an anime adaptation.
*9. *5,194 118,671 Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka Vol.14
aka Is It Wrong to Try to Pick-Up Girls in a Dungeon
Licensed for English release by Yen On. 12 volumes released. Volume 13 comes out March 2019
13 episode Anime series streamed on Crunchyroll and covered the 1st 5 volumes.
*8. *5,212 **5,212 Nanatsu no Maken ga Shihaisuru Vol.2
No English License for the light novels
Same author as Alderamin of the Sky
*7. *6,272 *46,831 Re:Zero kara Hajimeru Isekai Seikatsu Vol.18
aka Re:Zero Starting Life in Another World
Licensed for English release by Yen On. Volume 9 will be released February 19, 2019
*6. *6,664 201,471 Sword Art Online Vol.21
Licensed for English release by Yen On. Volume 15 released December 18, 2018
New season of the anime is currently airing, covering the Alicization Arc.
First new volume since September 2017
First new material not covered in the webnovel – First original material since 2008
*5. *7,652 **7,652 Potion-danomi de Ikinobimasu! Vol.4
aka I Shall Survive Using Potions
Licensed for English release by J-Novel Club. Volume 1 releases February 10, 2019
Same author as Didn’t I Say to Make My Abilities Average in the Next Life?!
*4. *9,475 **9,475 Ookami to Koushinryou Vol.21
aka Spice and Wolf
Licensed for English release by Yen On. They have released up to volume 20 in English
Had 2 anime seasons. Season 1 covered volumes 1-2 & Season 2 covered volumes 5-6
*3. 10,364 *10,364 Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka Gaiden: Sword Oratoria Vol.11
aka ダンジョンに出会いを求めるのは間違っているだろうか外伝 ソード・オラトリア
aka Is It Wrong to Try to Pick-Up Girls in a Dungeon On the Side Sword Oratoria
Licensed for English release by Yen On. They will be releasing volume 8 February 19, 2019
Had a 12 episode anime series which covered volumes 1-4
*2. 10,422 *23,888 Yakusoku no Neverland: Mama-tachi no Tsuisoukyoku
aka 約束のネバーランド ~ママたちの追想曲~
aka The Promised Neverland – Mama’s Reflection Song
No license for the light novels. This is the 2nd light novel volume based on the manga
The manga is licensed for English release by Viz.
An anime adaptation is currently airing.
*1. 17,229 *17,229 Eromanga-sensei Vol.11
No English license for the light novels
The manga is licensed for English release by Dark Horse Comics
Had a 12 episode anime which aired April-June 2017 + an OVA which just released.
The anime covered the first 3 volumes.