The key to saving the world was, of all things, his. Abel, priest of the hero party.One day a thunderbolt of an order drops on him: “Save the world with your cock and semen.” He thought it was a joke.But standing right in front of him was the last surviving member of a demon race thought to be extinct — a succubus. Red hair, black horns. More beautiful than anything else in the world, yet glaring at Abel like she wants to eat him alive, her words sharp and thorny. The girl named Suzuka. The only mission given to the two of them: complete the forbidden ritual that can only be finished body-to-body — the Succubus 48 Positions. Between the fate of the world and burning nights…The story of saving the world in the most intimate way possible begins now.