Also this is a bad translation, on a completely different level then the ones everyone usually complains about the others flow like honey but they still flow this is like rapids Frozen in winter during a tornado.
I don't mean to be an ass, but... does whoever worked on this know how to read or speak English? Or Japanese, for that matter. For instance I'm fairly certain they're calling the succubus sensei, but that doesn't mean teacher in this context. This really looks like a rough google translate.