(This story is a prequel to Birthday Built For Two, though it is not required for you to read that to understand this fic. Takes place between "The Times They Are A Changeling" and "To Where and Back Again". Proofread by Smity1038 on Deviant Art.)
Starlight accepts the fact that Sunburst is Flurry Heart's Crystaller, and that means he's going to act a bit odd at times. But for whatever reason, the stallion now seems to be acting even odder. A fact that puzzles Starlight to no end when she decides her trip to the Crystal Empire is an excellent opportunity to pay Sunburst an unexpected visit.
But before Starlight can even find the time to ask Sunburst about his behavior, she finds herself getting roped into something most unexpected, helping Sunburst foalsit Flurry Heart for a day.
Just how much trouble can one alicorn foal cause for two fully grown unicorns with no prior babysitting experience, quite a lot actually. But maybe the experience will give Starlight the answers she needs about Sunburst? Or perhaps Sunburst will slip up and tell her himself?