Her parents were killed, the mansion was burned, and Natsuki was used as a sacrifice by the evil-minded nobles in a ritual to summon demons, and she went through torture. In despair, Natsuki summoned the demon Lanteles and signed a contract with Lanteles. The cute little daily life of the arrogant young master and the sinister devil is not over yet. The dark flames of fate are coming one after another, the perfection of the devil director, the warmth of the lover Anka, the bond of the three sons of the god, the entanglement of the witch, the seal of the curse, all the past and present life have surfaced one after another. After the truth is revealed, where should we go?