Sabaiya Drecorei - an elder dragon whose soul entered a human baby who soon became a princess of Drecoriem, a kingdom that apparently once brought aid to the hero who slain her. Although she does not despise them nor hold a grudge for their mistake, instead, she has a slight cheeky attitude while remaining a beloved royal princess. Despite her teenage age and diminutive appearance, because of her elder knowledge and brisk learning speed, she is a fearsome girl who is the heir to become the queen of the human kingdom in addition to subduing monsters and dragons. She is one to be careful near, especially when her feelings become upset or threatened. One day, after a sudden rage in the city, she came across one of her past kind. A dragon that ravaged her kingdom due to an irresistible curse which Sabaiya had to confine it using her ancient magic spell. However, after that day, everything began to change for her when that dragon chose to be her draconic servant so he could repent for his crimes against humanity. Nevertheless, the life of a former elder dragon alongside her loyal servant and kingdom commence - Royal Elder Dragon! ROAWR~!