This story is a sequel to "And Then Rainbow Dash Was a Colt," and Ten Other Really Awkward Stories
While this is a sequel, it is a stand alone story.
Five months after Rainbow Dash was turned back into a mare she finds herself a promising Wonderbolt with a magnificent marefriend. But when Pinkie throws a surprise, Surprise Party, party Rainbow Dash and Applejack must learn the difference between being friends and being marefriends.
NON-EXPLICIT, Apple/Dash
*since*
5036729
I can't actually find that line.
5038954
It's in the short description.
5039075
Ah, thank you.