Hanako-San, also known as Toire no Hanako-san (トイレのはなこさん, "Hanako of the Toilet"), is a villainous yokai from Japanese folklore. Hanako-San herself is a popular urban legend, comparable to Bloody Mary for the west.
Biography[]
Due to its nature as a urban legend, there is various origins explaining how Hanako-San became a youkai. Some notable origins has Hanako-San being the ghost of a girl who was murdered while playing hide-and-seek during a World War II air raid, a victim of a plane crash, or the lingering soul after a successful suicide. Regardless of origin, the story mostly agree that she died in the third stall of the third bathroom, and her specter now resides in there. To summon Hanako-San, the person summoning her must walk into a girl's bathroom, knock thrice, and ask if she is there. Depending on the version, the summoner might find themselves being dragged off to Hell (either by an ethereal hand or Hanako-San herself) or become the latest meal for a three-headed lizard.