Rainbow Dash and Rarity do to each other what Fluttershy has done to both of them, and what they have done to her, but not each other - biting each others' tails!

I like seeing Rainbow Dash and Rarity together and I want one to bite the other's tail in the show, but they have never been paired together this way, even though they've been on both ends of this with Fluttershy. As to the RariDash, this might not strictly be shipping, closest it gets to that is finding each others' tails to be cute and wanting to bite them, even though they do get very affectionate to one another.

I wanted to go for a more cute lighthearted story one after the adventure-themed battle ones I usually do.

Cover art is a modification of Applejack biting Rainbow Dash's tail in The Ticket Master, with Rarity when she bites Fluttershy's tail in Putting Your Hoof Down.