I can't say I was impressed by this pilot episode either.
As an introduction episode, it was quite a very poor job to push characters like that without really a proper direction, going everywhere and nowhere at the same time.
That isn't helped with a not so subtle fanservice (along with Nishimata chara design, being the usual copy paste syndrome regarding the faces...)
I have no idea where it is going, although I did hear a lot of positive feedbacks regarding the story of the original VN... depends how it is brought I guess.
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