The Suffering Of Suiren Kannonji summary:

Kannonji Suiren, she is the star of the school, a perfect woman with talent and beauty. However, on the inside she is actually a hardcore lover of Yuri and spends her days in agony, desperately chewing on her favorite yuri couple, Fuchu Ajisai and Nakameguro Tsubaki, in her brain so that the people around her don't know about her secret interest!