Saikyou no Shien-shoku [Wajutsushi] Dearu Ore wa Sekai Saikyou Clan wo Shitagaeru

Noel has grown up idolizing his grandfather, a legendary adventurer of the class known as Seekers. But when it comes time for Noel to set out on his own, much to his dismay, he turns out to be a Talker: a support class with meager abilities. But Noel’s got ambition in spades–and the smarts to match–so he’s determined to do whatever it takes to make the world know his name!
(Source: Seven Seas Entertainment)