Color. It is such a simple entity to define? Maybe there is more to it than once thought, especially if it were to disappear one day. Twilight and Rainbow come to a crossroads as they look to a bleak, gray-scale world.
Twilight is awoken early in the morning to Rainbow Dash knocking on her door. The pegasus seems out of sorts, and this only becomes more apparent as time goes on. What could be wrong?
An argument between Twilight and Rainbow Dash over the most recent edition of Daring Do causes Twilight to learn more things about her friend than she had even suspected.
Pegasi have a longtime tradition of gifting their primary feathers to those closest to them. Now that Twilight has wings of her own, she wishes to participate in the custom by giving one to her special somepony.
Twilight Sparkle and Rainbow Dash awake to find themselves in a mysterious, compromising position. It's up to the brilliant mind of Twilight to deduce what series of events led them to this.
A few month ago, Rainbow Dash found Twilight stargazing up on the balcony of Golden Oaks library. Ever since then she comes back, every night, and listens to Twilight's lectures on everything astronomy.