A member of μ's in Love Live! School Idol Project. She is also a member of Printemps, a sub-unit of μ's, alongside Kousaka Honoka and Koizumi Hanayo. She attends Otonokizaka High School, where her mother is the chairwoman. Since the literal meaning of "Kotori" is "little bird," she is sometimes depicted in fan art as a bird.
She has brown eyes and long gray-brown hair arranged in a one side up with a plume. Kousaka Honoka and Sonoda Umi are her childhood friends.
Voiced by Uchida Aya (JPN), Cristina Valenzuela (ENG).