緋月詩乃（Hidsuki_Shino）/燐月（Ringetsu）

緋月 詩乃

秋月学園に勤める女教師で、鮎美と美津菜の姉。担当教科は数学。教師としては凡庸であり、特に熱血教師をやっている感じではない。学生時代合気道をならっていたので、護身術の心得がある。

Hidsuki Shino

A female teacher at Akizuki Academy and the older sister of Ayumi and Mitsuna. She teaches mathematics. She is an unremarkable teacher who does not come across as particularly passionate or zealous. Having practiced Aikido during her student days, she possesses skills in self-defense.