O_O! No on releases list. No on upcoming... Strange

I don't remember where it was written,but the first four chapters supposedly give readers all the keys to the mystery.I just want to know-is there anyone here who actually solved it on their own? (Almost) without spoilers,having read 2 out of 4 chapters

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Feeling a bit confused, I’ve finished the main story + after-party now, and while I’ve read every tip when it got unlocked, I still seem to be missing the last 3. (Out of 14.) I’ve read and gotten 11 tips. After I read the after-party, I went back to the tip menu so I can skip over all of the tips so I wouldn’t have to read through them again for the achievement, but I noticed that 3 new ones appeared that aren’t unlocked. Does anyone know what I did incorrectly? I’m surprised that I failed to...

During the all cast review at the end of Tatarigoroshi, Shion announced that she would be the main character in the next game. I was pretty excited that I'd get to play as her, but I'm on chapter 2 now and I'm controlling some detective guy who is definitely not Shion....