Venus Puts Fur on Me

Story:

[It's not just "bullying."] Nakajima ruled the class as a "bully." Shirasaki-san, a vulnerable girl, is the target of bullying. In terms of violence, every day was dreadful. Everyone in the class pretends not to notice it. If they stop, they will become the next target. Nakajima engages in "bullying" as if possessed. Something was clearly wrong. Why does he commit such heinous acts? The truth is heinous.