You are currently in a route where I refrain from making theories and comments. Like I said, I may drop a few hints. And to be honest, it's better to discuss things after Al Fine. Besides, I can't remember what are the things I thought of after reading it without the Al Fine. I wish I can forget about this VN and reread it again : >
Oh, and I just remember what Eclipse put in his spoiler thoughts after reading Al Fine : P