Fallen married slave teacher

Recently, Rei, who got married, taught as a female high school teacher, has been five years since she was confused, but has been working hard on her own. I wasn't thinking about quitting, and I wanted to work harder as a teacher. Although Rei actually had an affair with Yamamoto, a teacher at the same school, for a while, and although he knew it was not good, he had continued his relationship with him. One day, Rei is seen by his students about his relationship with Yamamoto, and he is told by his students...