Ayako Hiiragi

She is Takahiro's cousin and a school physician at Winford Academy, at night and during weekends she run a cafe called "Tart Time" where Mio and Noel works as part-timers and where Akane would often hang-out. The place also functions as a living quarters both for her and Takahiro. She like teasing Takahiro and Mio a lot. (Source: Zinc-view)