Kiara is an unknown character who keeps appearing in the manga. In the beginning, it is unknown if he is an ally or an enemy, however, he has said that Rahzel is "his", and that he is currently "lending" her to Alzeid. Later into the series, Kiara shows to have a played a vital role in Rahzel's past. A role that Rahzel can not seem to remember. Also, Minari Endoh stated that Kiara may have been Rahzel's first love. It is revealed that he is Baroqueheat's second older brother. Branowen has stated that Rahzel, Alzeid and Baroqueheat all have essential roles in his scenarios. He likes Natsume and Branowen; he dislikes Baroqueheat and Alzeid.

He meets Rahzel several times during her journey, always providing her strange advice while enjoying tea with her. During one of there tea parties, he has started that he is actually her enemy. Each time, she regards him with suspicion, and they always promise to fight during their next meeting. But whenever Kiara leaves, Rahzel is filled with despair and believes that she knows him and does not want to fight him.

(Source: Wikipedia)