Yuuki fully believes that she is a ghost that died when her parents divorced. Yuuki thinks she has the power to go through walls and turn invisible. Yuuki will cry if someone's tells her she isn't a ghost. Yuuki likes to scare people. Yuuki believes she has the power to curse people. Yuuki thinks covering her eyes will turn her invisible. Yuuki will always try to walk through a wall instead of a door and fail.