J-Novel Club have licensed:
My Instant Death Ability is So Overpowered, No One in This Other World Stands a Chance Against Me! / Sokushi Cheat ga Saikyousugite Isekai no Yatsura ga Marude Aite ni Naranai n desu ga
- Originally a web novel published on Shousetsuka ni Narou
- Published in Japan under Earth Star Novel
- Light novel version ongoing on 8 volumes, with a 9th out next week
- Web novel version ongoing on 9 volumes (with each volume divided into multiple "act"s)
WATARU!!! The Hot-Blooded Fighting Teen & His Epic Adventures in a Fantasy World After Stopping a Truck with His Bare Hands!! / Truck Uketome Isekai Tensei! Nekketsu Butouba Koukousei Wataru!!
- Originally a web novel (with a slightly different title) published on Shousetsuka ni Narou
- Published in Japan under Overlap Bunko
- Light novel version ongoing on 2 volumes
- Web novel complete on 11 volumes
A Lily Blooms in Another World / Isekai ni Saku wa Yuri no Hana
- Originally a web novel published (with a rather longer title) on Shousetsuka ni Narou
- Published in Japan under GL Bunko
- Web novel and light novel version both complete on 1 volume
Mapping: The Trash-Tier Skill That Got Me Into a Top-Tier Party / Hazure Skill "Mapping" wo Te ni Shita Shounen wa Saikyou Party to Dungeon ni Idomu
- Originally a web novel published on Shousetsuka ni Narou
- Published in Japan under Overlap Bunko
- Light novel version ongoing on 6 volumes
- Web novel version ongoing on 6 volumes
The Sorcerer's Receptionist / Mahou Sekai no Uketsukejou ni Naritai Desu
- Originally a web novel published on Shousetsuka ni Narou
- Published in Japan under Arian Rose
- Light novel version ongoing on 3 volumes
- Web novel completed on 132 chapters, plus some short stories
Black Summoner / Kuro no Shoukanshi
- Originally a web novel published on Shousetsuka ni Narou
- Published in Japan under Overlap Bunko
- Light novel version ongoing on 12 volumes
- Web novel complete on 12 volumes, but with a (gradually) ongoing after story.
Holmes of Kyoto / Kyoto Teramachi Sanjou no Holmes
- Published in Japan under Futaba Bunko
- Series ongoing on 13 volumes
- Had an anime adaptation in Summer 2018
They also license rescued Slayers, plus started a new thing where titles get released on J-Novel Club that have not been published in Japan.
In common with Cross Infinite World's similar titles, I will NOT be posting these on this thread (except possibly by accident).