I managed to break it... Oh well, was an enjoyable experience before that, although I'm not too much into visual novels

I don't know if I can mark the text as a spoler in the comments, so I won't detail what did I do to break it, but if you want, I'm more than ready to provide details

A very strange mind bender. It's a classic who-done-it, but you play the victims! I couldn't get to the end though, I think you need to find 3 hints before loosing too many people.