"Honyaku" no Sainou de Ore dake ga Sekai o Kaihen Dekiru Ken: Hazure Sainou "Honyaku" de Kizukeba Sekai Saikyou ni Nattemashita

Noah is the first-born son of a family of aristocratic sorcerers. Noah's father placed hope on him being being inherently skilled in offensive magic, but a medical examination reveals that not only is he unable to use magic, he's stuck with the worthless skill of "translation". However, everyone has yet to realize that his "translation" has the astonishing power to change the world... Source: Square Enix