If you believe this legend, there's a secluded, abandoned mansion just outside of Tokyo where a series of brutal murders was carried out. The family who lived there would carry out a sick practice called "." They believed that there was a portal on their property that brought them bad karma from within the earth, so in order to seal the portal, they would choose a local village girl at birth, raise her in isolation, and then tie her wrists, and ankles, and neck to five oxen, which would rip her limbs and her head off her body. They would then take the rope, soak it in her blood, and lay it at the entrance of the portal. This protected them for fifty years.
But something went wrong during the last ritual. The woman, who was supposed to have been raised in isolation, had formed a bond with a man who tried to rescue her. Because of this, the ritual didn't work, and the patriarch murdered his entire family before falling on his own sword. Now, the mansion is said to be haunted by his family. Rumor has it that the walls are splattered with blood - fresh blood. Blood of the unfortunate people who go looking for the mansion, looking for a thrill, not knowing that the ghosts of the family are waiting for the next victim of the strangling ritual.