Waimen Kyoukan -Nakadachi Taizou-

Main character works as an instructor at a driving school. One day he gets seduced by a female student. She gets into a horrible traffic incident and dies. As investigation unfolds, main character gets suspected in sexual relations and is recommended to quit school in a month's time. Without anything to lose anymore, he has his revenge over the female students of the school.

[From vndbreview]