"His Majesty's Sweetheart" takes place in a time where there were kings, queens and everything royalty. Considering this story is a fantasy one, the kingdom of Razo is located somewhere deep within the mountains in Asia, though not many are able to locate this kingdom doesn't mean the reputation that it holds is a secret.
Razo kingdom is extremely business oriented, gathering items, materials, etc. from all parts is what's the kingdom is best known for. However, there are other kingdoms located near and far from Razo which is the reason for the majority of their trade but also attacks. Which is why the current king, Kyro Diyokai and his closest guard protect the area day and night to ensure the safety of Razo.
Characters
Sakura Arakawa: A young lady (20 years old) of Razo village, from the moment she was born her parents knew that one day she would become some great. As a child the village nurtured Sakura's gifts considering she was exceptionally great at hunting and combat, whereas other girls were taught proper etiquette. At the age of 18 Sakura was confronted and asked for her hand in marriage, she instead took her trusted sword and demanded that she be trained for Razo guard trials as she wasn't seeking marriage, at least not yet.
Kyro Diyokai: The current king of Razo (25 years old) and sole heir to the entire kingdom. At the age of 19 Kyro lost his father due to the war between another kingdom and was forced to leave behind his life in order to be king. Not only did Kyro give up the freedom, he was also sealed into marrying his childhood friend, Kiyoko, and made her queen. Kyro and Kiyoko's relationship is strictly business and they do not share nor have children, however, it seems that only Kyro shares this ideal while Kiyoko is unpredictable.
Kiyoko Diyokai: The current queen and wife of Kyro, she is beautiful but deadly. She wouldn't hesitate for a moment to get rid of anyone who stands in her way of power. Her true colours begin to come to surface when her status and marriage in jeopardy dude to an innocent Sakura. No one knows of what she's plotting or how far she's willing to go, and this strikes fear in Kyro.
Short Summary
Kyro and Sakura cross paths one faithful day as Sakura is about to take her Razo guard trials. Things take a turn when she instead goes head to head with Kyro's guard and successfully takes the victory. Kyro witnesses Sakura's skills and potential which leads him to give her the title of his personal guard!