Can a battle crazed antisocial hero be the savior of humanity?

Over a hundred years ago, mysterious dimensional ruptures appeared all over the Republic of Fritia. The miasma seeping out granted the locals special abilities, magical abilities.

Gin, the son of a reputable family dreams of being a powerful mage, however his dreams are shattered when he is confirmed to have no magic abilities.

On top of that, evil forces emerge from the ruptures and threatens the peace of Fritia's people.