Festival of Flowers

Your name is Alexandra and you're the princess of the Emerald Castle. You grew up being a tomboy because of your older brother and his friend Alex. You lived a normal life with boring lessons about how to be a royal, until one day, you met a girl in town. She seemed somehow different and special, which caused you and your brother to have interest for her. Some time after, you started suspecting that someone was betraying your parents (king and queen) and planning to overthrow them, but who, and how can you stop them?