I guess it was a bit too realistic for me. So many rapes are done by people known and trusted and are never told to anyone else let alone reported to the cops. Not to mention there are witnesses who see things and just become frozen because they don't understand what is going on and if they do they just don't know how to help or even if they can. They just freeze. Rape victims do that as well. There is no real resolution to that. But I guess just being left alone is enough for Ryouka.
Kazushi has issues and it seems like he 'likes' Ryouka and is jealous af but he has serious issues and goes too far. He seems to lack empathy and has a psychopathic personality disorder of some sort. I wonder if he is capable of letting Ryouka go? Or not finding a new victim to play with.
Seriously, Kazushi needs a shrink and a parole officer otherwise...damn he's headed for murder. He could've killed Ryouka.
Koboreru