In japanese mythology Jorōgumo (絡新婦) is a 400 years old demonic spider that can change its appearance into that of a seductive woman. Generally, in all mythologies the most evil and deadly demons are depicted as women. Thank you sexists!
Amaterasu [天照], Amaterasu-ōmikami or Ōhirume-no-muchi-no-kami is a part of the Japanese myth cycle and also a major deity of the Shinto religion. She is the goddess of the sun, but also of the universe. In Japanese mythology, Amaterasu, the goddess of th
Onryo is a Japanese ghost of a person who died with intense passion, such as jealousy and/or rage. The person's soul is unable to pass on, and instead, transforms into a powerful spirit bent on vengeance to anyone or anything it encounters.
the milky way in Japanese mythology was a river dividing two lovers. Once every hundred years they would cross it and meet. This is adapted from the Chinese story of the celestial weaver and the cowherd.
Keukegen- Japanese folklore: a creature covered in black fur that lives in peoples houses. Its name means "rarely seen". It was a disease spirit, inflicting sickness into those who lived in its host house. It also reminds me vaguely of cookie monster.