The Most Notorious Talker Runs the Worlds Greatest Clan (Manga) Vol. 1

A cunning, ruthless boy does whatever it takes to leave his mark on the world in this swords-and-sorcery tale! (And don't miss the light novels, also from Seven Seas!)
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!