Rarity and Twilight Sparkle have been dating for a while now, and since the latter became a Princess, the two haven't been able to spend a lot of time together. So when a chance has presented itself, Rarity will make sure Twilight can make time for her. And she has the perfect thing for her marefriend, and the two are going to have as much fun as possible.

Commission for Blader-San
Derpibooru: 679196