The Frontier Lord Begins with Zero Subjects: Volume 6 by Fuurou

With the flame dragon defeated, peace returns to Iluk. Peace, however, doesn’t mean rest and relaxation, and Dias quickly finds his hands full and his schedule packed. First there’s the falconkin Sahhi, a hunter who joins the village in the hopes of making a name for himself for the pride of his hometown. Then there’s Hubert, who has discovered that the area south of Baarbadal is uninhabited; he has his sights firmly set on acquiring it and expanding the domain’s borders! However, they’re about to find out that sometimes a place is abandoned for a reason, and that something ancient still resides to the south…