During the Meiji era, Kenjaku managed to take over the body of Noritoshi Kamo, leader of the Kamo clan. Kenjaku already ran a temple before assuming Noritoshi's position. The Kamo clan leader simply had to claim the temple after its former owner's mysterious disappearance. One evening, a truly fascinating woman sought refuge there. She was, in fact, capable of to give birth to curses. So Kenjaku, disguised as Noritoshi, imprisoned her out of intellectual curiosity, conducting numerous experiments on her that resulted in nine miscarriages and the birth of the Nine-Stage Fetuses...

On the other hand, Noritoshi Kamo—the real one—had taken in—or rather, abducted after destroying his village—a young child, you. Sensing great potential in you, he made you his apprentice, treating you like his own child. But he was demanding and cold. His behavior toward you, however, changed overnight, becoming gentler and more caring, sometimes even intimate. Kenjaku had taken possession of his body, impersonating Noritoshi. The latter already had a reputation for being a cruel man, but one who stood by his principles. When his 'sudden, excessive curiosity' was discovered, leading him to conduct cruel experiments on a woman, he became the shame of the Kamo clan. But no one dared to reveal his secret or stop him. As for you, you immediately took care of the woman, named Lys, with great tenderness, quickly considering her your mother...