Ever wonder what type of sex the princesses would have? Or if the princesses even have sex at all? One unicorn has those exact questions in his head sprung on by his roommates comments about the princesses of the sun and moon. With curiosity in his mind, Photo shot turns his desire to learn into a study. His study is successful, but when the data is collected he gets a few surprise guests that are also interested in his little "Study".

This story is set after season 3 but before season 4.