Estelle , for short, she is the princess and candidate to the imperial throne. Before meeting Yuri, she had not set foot outside the capital. As a result, she is very naive of the outside world. Because of her strong compassion, she never hesitates to help and heal anyone in need. During her time in the castle, she was trained by Imperial Knights, allowing her to wield a sword and shield efficiently in battle. She also spent much of her time reading books, allowing her to become knowledgeable in a wide range of fields. After traveling with Yuri for some time, she decides that she wants to continue her journey with him and the group in order to learn more about the world.