Hajime's quiet life with the Komatsu shrine twins, Inori and Kanau, is upended by strange vampire-like murders. Soon, a seductive demon named Satan, who craves his blood, appears alongside her alter ego, Lucifer.

Hajime lives with the Komatsu shrine sisters; spiritual Inori uses her heirloom rosary against evil, while practical Kanau keeps him from accidental groping. Amidst growing local unrest from mysterious vampire-like murders, Hajime dreams of a female demon.

This demon, Satan, soon manifests in reality, accompanied by Lucifer. An embarrassing incident leads Hajime and the twins to take Satan/Lucifer into their home, sparking questions about why these demons are drawn to Hajime and their true desires.

Hajime's life at the Komatsu shrine with twins Inori and Kanau is shaken by vampire murders. A demon, Satan, lusting for his blood, appears. What are her true desires?

Akuma no Ikenie, The Devil's Sacrifice, Hajime, Inori Komatsu, Kanau Komatsu, Satan Demon, Lucifer Demon, Fantasy Manga, Ecchi Comedy, Completed Series