Honestly it was too non-consensual for me in the beginning. And the scene with the students in the end was too much and also not resolved properly. Like, no one checked that girls phone, to make sure there were no photos on it, they just let them get away.
Shukuchoku Shitsu ni 2-ri Kiri ~ Moto Yan Kyoushi wa Sekkusu mo Yanchadeshita