Well the story's alright, but a lot of scenes feel like they drag out a bit too long.
Anyway, I can definitely say there's nothing pedo. I already looked though the CG's I can say that. The youngest characters are 16 or 17 and they all look their age or older.
The porn is... rather a lot but infrequent and most of it's optional. Every so often the game outright asks you if you want to see a sex scene or not and with who. As far as I know, it doesn't matter if you watch one or not, except for Kanako, so you can just skip them.
In fact, a lot of the major choices are whether you make someone you sex slave, so if you play nice and don't make anyone your sex slave, the only character you could have sex with anyway is Kanako, and it only matters if you do for the first couple option.
At least half the mandatory explicit scenes are more tense then sexy, particularly any rape scenes.
Most scenes are also pretty tame really. Like in the first scene trying to be sexy, the most you see is a bra.
So that's how the game's been so far.