Golden Mage 

Junseong Kim had a hard life living secretly as a pro gamer to pay off his late parents’ debts before dying in a tragic accident. But his luck changes when he is reincarnated into another world as a boy named Elemis. Awakening to a doting mother and great magical power, Junseong, now El, journeys to become the most powerful mage in this brave new world! Soon, he and his mother are caught up in the schemes of deadly intrigue, and it’ll take both his mage power and gamer wits to come out on top! (Source: Tapas)