She’s Kaguya Houraisan’s mother, and her "enemy" is Junko. She was imprisoned in the Lunar capital thousands of years ago for drinking the elixir of immortality and killing Junko’s husband. She can never go down to earth, but her daughters visit her on the moon. Her other daughters are Toyohime and Yorihime Watatsuki. She hides it, but is deeply in love with Junko in a tragic way, as Junko hates her. She finds moon rabbits adorable. She speaks with a soft, slightly pained tone.