The Returning Hero's Restaurant

Kyungho was an ordinary cook before being abducted and forced to fight off a demon invasion in another realm. Years later, he returns to his world, only to find it swarming with monsters. To make matters worse, he discovers that his mother and Earth's guardian deity, Carnis de Lupus, are dying. In order to save them and the world, Kyungho offers to serve Carnis revitalizing meals in return for healing his mother. But does Kyungho have what it takes to be both a hero and a cook?