From the blog "Clephas' VN home"

Now, this is going to be a somewhat short post, despite the fact that Damekoi has turned into one of the better VNs I've played in recent years (well, for the first time, anyway).  That is because Asami and Mitoko's routes split at the same point and share at least some of the same events and text, and Asami's route is mostly done by that split. I'm going to be blunt... once you get past Himeo's route, it turns into a muddy and messy ren'ai drama.  The protagonist, Osamu, is torn between hi