There's a very special reason for that, basically because male like the warmth :3, thus... chances of mating are higher if the female body temperature increase.
Hearing VN friends reading each other posts and making the posts sound evil (which it isn't) makes me facedesked and laugh. Luckily i was not involved.
Next, singing renai circulation and Fuwa fuwa time!
good morning/afternoon or evening shine. i would like to ask that sometime this month or next month if download links could be posted for the new breeze game