The Most Notorious "Talker" Runs the World's Greatest Clan Manga Volume 1 features story by Jaki with art by Yamorichan.

Young Noel is the grandson of the empire’s mightiest hero, and promised his dying grandfather to become the world’s greatest adventurer. But Noel has been assigned to the weakest class of adventurers: a Talker, whose only skill is to enhance the abilities of other heroes. How can he possibly find glory with only support skills? By being ruthless with them! Good, evil, it’s all the same to Noel as he manipulates his allies, controls his friends, and outfoxes endless monsters from the deepest Abysses. Noel will stop at nothing to grow strong enough to save the world—and dominate it!

The Most Notorious "Talker" Runs the World's Greatest Clan Manga Volume 2 features story by Jaki with art by Yamorichan.

Noel Stollen, that coldhearted handsome devil, will stop at nothing to follow in his grandfather’s footsteps and become the world’s strongest seeker. Though a mere Talker with buffing abilities, he takes over the party of adventurers known as Blue Beyond. But when the former leader and his woman steal party funds, Noel arranges for the most horrific of punishments—selling them into legal slavery! Now in need of new teammates, can Noel resist the offer of Alma, who claims to be the descendent of the world’s most notorious…assassin?

The Most Notorious "Talker" Runs the World's Greatest Clan Manga Volume 3 features story by Jaki with art by Yamorichan.

Noel, that coldhearted handsome devil, has gotten his revenge on his former comrades, and is now allied with the lightning-fast assassin Alma. Together they accept a mission to free a village from the depredations of a bandit gang, but the villagers themselves are hardly so innocent…or non-violent.

Noel needs more firepower on his side if he is going to succeed in his goal of becoming the world’s greatest seeker, and in the slums of the city, he may just have found a new member for his party: a vagrant named Koga, who is from a far-off country in the east…

The Most Notorious "Talker" Runs the World's Greatest Clan Manga Volume 4 features story by Jaki with art by Yamorichan.

Upon meeting the swordsman Koga, Noel is drawn to the Easterner’s precise and refined strength. Koga, though magically enslaved to serve as a Mafia enforcer, finds himself drawn to Noel’s unyielding strength of will. When mob boss Albert Gambino decides to eliminate Noel, he calls upon Koga to do the deed! A fierce battle ensues, and only Alma’s timely intervention keeps the fight from being fatal. Noel discovers the conspiracy that put Albert Gambino at the head of the Gambino family and pushes for a rematch with the Longswordsman. But Noel’s latest plans are about to be complicated by the appearance of a certain scheming clown who will not be talked out of bloodshed!