Houkago - Kindan no Lesson Manga
Forbidden Lessons After School / Houkago Kindan no Lesson / 放課後 / 放課後～禁断のLesson～
Completed
From momiji\mii's livejournal: It's a story about retaliation and deals with the corruption of the Japanese police and how it puts people in danger. Mizuki, whose father is a policeman, falls for the new teacher and starts a relationship. But her teacher seems to be connected to her father in some way…