Youngest of the Saegusa twins and [Mayumi](https://anilist.co/character/88194/Mayumi-Saegusa)'s younger sister. She is a more feminine girl when contrasted with her twin sister, Kasumi. Admires and respects both of the Shiba siblings while having a rivalry with [Ayako](https://anilist.co/character/200612/Ayako-Kuroba).
