Starlight Glimmer has returned to the present to find herself a member of the Mane 7. She is now a bearer of an element of harmony, and has a husband—her soulmate, Sunburst. So, what happens the morning after?
After the crystalling, the banquets, and the private after-party, Starlight gets her chance to be alone with Sunburst. They realize that they share two things in common: their friendship and different perspectives of the day he got his cutie mark.
Sunburst has messed up everything between him and Starlight. Now he has to amend the situation, but what is the correct form of doing it when she has an unstable personality and the powers of a goddess?
The second changeling attack on Equestria has helped the Royal Crystaller Sunburst in getting a fresh perspective on several aspects of his life. One particular aspect comes into focus when Shining Armor and Cadance offer him a weekend off.
(Prequel to "Birthday Built For Two".) On a trip to the Crystal Empire, Starlight finds Sunburst acting rather strange. Before she has a chance to ask him though, she gets roped into helping him foalsit Flurry Heart for a day.
When Sunset and Starlight are about to die together, they fall in love. When they're about to live together, they fall out. Sunset is either going to break this cycle, or the cycle is going to break her heart. And most of her bones.
Starlight travels with Sunburst to an old abandoned unicorn settlement that predates the ruling era of the Two Sisters. They're searching for ancient lost spells but something "bad" happens to them.
Starlight Glimmer, after spending Hearth's Warming in Ponyville, goes to the Crystal Empire to spend the New Year with her old friend, Sunburst, for whom she has also secretly has feelings. Can she tell him how she feels?