The Most Notorious “Talker” Runs the World’s Greatest Clan 4
| Volume Title | The Most Notorious “Talker” Runs the World’s Greatest Clan 4 |
| Japanese Volume Title | 最凶の支援職【話術士】である俺は世界最強クランを従える 4 |
| Light Novel | Saikyou no Shienshoku "Wajutsushi" de Aru Ore wa Sekai Saikyou Clan wo Shitagaeru |
| Publisher | OVERLAP |
| Light Novel Label | Overlap Bunko |
| Author | Jaki |
| Illustrator | fame |
| Target Readership | Male |
| Volume | 4 |
| Release Date | December 25, 2021 |
| ISBN-10 | 4824000637 |
| ISBN-13 | 978-4824000637 |
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