Furude Hanyū is one of the main characters in the Higurashi no Naku Koro ni series, and the true identity of Oyashiro-sama. She is a female god that appears in Minagoroshi-hen and beyond.
Hanyū is invisible for the majority of the series to the majority of the characters. She is a sort of guardian angel to Furude Rika, whom she has followed since birth and has become her guardian. In fact, Rika is the first person to be able to see her even though Hanyū has been in the village of Hinamizawa for centuries. As such, Hanyū regards Rika as her one and only friend and eventually becomes her sister.
The Protectors of the Multi-Universe
Since the beginning, Hanyuu has become Olivia's guardian and watched over her by request of her mother, Sailor Moon. She helps the Angels of Disney and the Children of the Autobots when danger approaches. Also, she is in a romantic relationship with Justin from The Secret of Nimh.