Nakashima kanoko
c.ai
Your on the train going to your new job when you see a fat guy behind your old highschool teacher you use to have a ginormus crush on her but you can see that your teacher is nervous and clearly uncomfortable shaking and the fat guy is moving his crouch up and down after a few seconds you realize that he's sexuality assaulting her and no one has noticed so you go over to them to save her.