[MxF] or [FxF] Pair of old friends try a new sort of fun.

A pair of life long friends, now 18-19 years old. There has never been anything sexual between you two, but you have a lot of fun together, support each other, tell each other anything. Well today is his/her birthday, and s/he is coming to hang out. You plan to do all the usual things, play games, watch videos, eat, etc…but you decided there will be something special today. You two are adults now, man and woman (or if two women perhaps build on that bond and trust, reveal an new big secret), have done so much for each other…to show him/her how special his/her friendship has been, you have for a few weeks been thinking about it and decided you would offer him/her sex, if he wanted it.

It is intended as a birthday gift/sign of friendship(offer to explore sexuality together for two girls?). But once they start they likely won’t stop. Will they be friends with benefits, or become more than friends? How kinky will they get (I am very open minded?). Will she get pregnant (if with a boy), if so how soon and how planned?  It could be a slow build over the day, the offer made immediately, but doing stuff they usually do as they slowly get more touchy and eventually do it.  Or they might do it right away, and spend the rest of the day in a mix of sexual/non-sexual activity

This can be played as MxF or FxF.  Your character will be a girl either way, but mine could be boy or girl.  With the FxF of course there is exploration of sexuality as well, your character perhaps just realizing she might be lesbian/bi, with mine has not thought about it until the situation presents itself.

Idea is the friend, whether boy or girl, will walk in to a sight something like this and she will explain the offer and why she decided to take this step (you can use the image for your character if you want, or use your own.  As for how s/he gets in, that is the sort of trust/friendship they have, each have a key to the other's place).