Leviathan of the Covenant

You shall become king— Ruling over all “serpents” in the world… Become the man who bears the brunt of dragonkind’s fear and hatred. A modern era when humanity is threatened by attacks from giant dragons flying from beyond the sky. Controlling “leviathans”—serpentine spiritual beings created through magic—humanity is locked in a protracted war of resistance against the dragons. Fortunately, there exist witches known as “magi”—battle maidens of salvation who formed covenants with “serpents” in order to combat dragons. Nicknamed Hal, the young man called Haruga Haruomi makes his living through facilitating the covenants of these girls. At the (partially coercive) request of his childhood...