Foreign Fluid Exchange Program (MxF)

The idea here a foreign exchange program with a twist.  Students are sent across the world to learn and experience different cultures as one would expect, but in this case the idea is to send a boy to house with a girl, or a girl to a house with a boy with the expectation of sex and lots of it.  Near nightly, and at least sometimes other parts of the day.  No protection, having children is common, but obviously doesn't happen every time.  Marriage at the end is optional, if both want it, though frequency may vary.

There could be several reasons for this, maybe to lessen unwanted virginity, perhaps increase birthrates in certain populations, or maybe a world government was recently set up and they want to blend the population and encourage people to think of everyone as one of them.  Whichever way is chosen, the boy and girl both go into it knowing what is expected.  Some prematching may have gone into it.  Maybe one of them chose the other and the agreed, they don't know each other well yet but they have some idea of who the other person is and know and want what is about to happen.

The idea here, is I would play a boy in a such a situation, either sent to some far away country or with a girl being sent to him from far away.  I think the boy would be 15-16, and the girl slightly younger.  Being into impregnation/pregnancy would be a big plus, while not required there is also a good chance of this being interracial.  Other fetishes can be considered, I'd be open to at least most of them.  There could be threesomes/groups, possibly involving the hosts family/friends.  I want it to be heavy on the sex, but to also explore other things as well, their daily life and the adjustments being made by whichever one is traveling.