You'll get your first clue that this is not simply a cozy slice-of-life visual novel when you open the menu and see the gigantic 3D flowchart floating in black space.

The consensus is that this game can easily take 100 hours to complete, possibly double that if you want to see every route and ending. That puts it up there with Higurashi as one of the longest visual novels of all time, and unlike Higurashi, this was a single, self-contained release.

Shelving for now, I'm going to come back to this after I acquire a strategy guide.