Setsuna Meiou, also known as Sailor Pluto, is a mysterious and enigmatic character in the anime series Bishoujo Senshi Sailor Moon. As the guardian of time and space, she wields the power of time manipulation and guards the Door of Space-Time. Her role is crucial in maintaining the balance of the universe, and she often aids the Sailor Senshi in their battles against evil. Known for her wisdom and composure, Setsuna exhibits a calm demeanor, yet she carries the burden of her solitary duty with grace and dedication.