Kannonji Suiren no Kunou

Suiren Kannonji is the star student of the school, a perfect girl who combines beauty and smarts. However, she is actually a “pathological yuri-lover” and spends her days feverishly cheering on her favorite yuri couple, Ajisai Fuchu and Tsubaki Nakameguro, while trying not to seem creepy about it…!
(Source: Houbunsha, translated)