Stalking Love ~The Approaching Shadow~ (2005)

Maki, is a new teacher at a night school and is adored by her students. Secretely, she is dating one of them, Toru. One day, Osawa, a student in Maki's class stops attending the lectures prompting Maki to visit him at home. However when she arrives, Maki is persuaded into having sex with Osawa. She