Sasara Kagami is one of the central characters in the anime series "Fantasista Doll." She is the leader of the Fantasista Dolls, a group of powerful, magical beings who assist the protagonist, Uzume Uno. Sasara is depicted as a cool and composed character, often acting as a mentor and guiding force for the team. Her strategic mind and leadership skills are crucial in battles against adversaries. Throughout the series, Sasara's loyalty and dedication to Uzume and her fellow dolls make her an indispensable ally and friend.