Obviously the story told in this VN is fucking extreme. It's fiction after all.
However, in real life there are really crazy similar stories. I've experienced two up close. One when I was a teenager, I was hanging out with a group for a while where there was a loser who was humiliated beyond belief. I remember that one time they put him in a garbage container, and they threw him down a steep street. And the craziest thing is one time they forced him to stay still while they pissed on his leg. And the fucking loser kept hanging out with them and said they were his friends. They humiliate you and you say they're your friends? Sorry man, but you don't deserve anything else.