I read Hasumi Hana manga and others and thought nothing of giving this a go.But it's a bit much for this jaded fan, I think more for it being like a shota/pedo story than any beastiality issue.
It's dragged on for a bit now, Senpai needs to go to anger management classes and seek psych help for his dishonesty. It's always Morinaga apologising and he doesn't have to. Find someone who nutures you properly Morinaga. There is nothing attractive about your love interest anymore.
ε=ε=(ノ≧∇≦)ノ