I know I am not the first to do this but I enjoyed the idea so… yeah.
Anyway, Fluttershy has gone into heat, again. Usually she just waits it out and avoids other ponies until its over, especially Dashi, but… what happens when she can't avoid her? I think you can figure it out. Fortunately for her, Dash is not opposed to the idea.

Edit: Reading has been done on youtube… Clicky