So, basically I want France to use his french charm to seduce Austria by every trick in the book.

Anon would like to see France to focus on describing Austrias beauty, making lots of compliments and slowly ensnaring him. Austria is totally falling for it. Sexy times ensues, with France taking a long time in foreplay, making Austria feel like a "queen".

Everything else is up to you, can be AU or not, with historical background or not.
Anon would prefer human names, but if you're not cool with it, country names are ok too.

Bonus - The sex is very fluffy at first, but in the end it's very hot and sexy.