How considerate of them to use protection.

Now that's unusual. Maybe it's not rape, but some BDSM game..?

I don't see why you'd cancel out rape. Maybe some fun rape game. I <3 used condoms.

My question is.... where is the rest of this one? I thought I had read every FMP doujin out there =/

They probably just don't want to get her pregnant. Even rapists don't want babies.

But undesirable pregnancy is half the fun!

Doujin sauce?