In the ancient city of Kyoto, the feared Gokumon clan reigns with their dark powers over both magic wielders and creatures of the night. Nadeshiko Gokumon, the heiress known for consuming monsters, embodies beauty and terror straight from the depths of hell. However, her world shifts when she meets the enigmatic Amana Ichijiku, a woman who defies convention with fearless laughter. Amidst eerie occurrences like a hidden human sacrifice and a looming curse, Nadeshiko and Amana face supernatural trials that force them to confront their own inner demons. Their unlikely bond reveals a profound truth: a woman trapped in an ogre's form and a girl harboring a monstrous spirit share a twisted fate that binds them through blood and sacrifice.