My Sister Is a Female Teacher (2000)
Original title: 姉は女教師
My Sister Is a Female Teacher is a 2000 Japanese-language romance movie directed by Nakahara Shun, with a running time of 1h 37m. It stars Mirei Asaoka and Makoto Kakeda.
High school teacher Miyoko and her younger brother Seiichi are living together. However, with the death of their mother, both sister and younger brother came to love each other as a man and a woman.