AP-250 - I ripped the blouse of the girl who bullied me, and she turned into a total M-slave!

What is the name of the actress playing the female teacher? I'm really curious.

There are 4 female students and 1 female teacher, and they all look great; the masochistic sex scenes were also good. However, the character who was a sadist suddenly turning into a total masochist without any resistance the moment her blouse was ripped and her breasts were touched felt a bit jarring. I would have liked to see what happened after the sex, especially with the roles of S and M reversed.