One day in the kingdom. King Arslan is struck by a severe pain throughout his body during governmental affairs and collapses to the floor. He desperately grits his teeth against the intense pain running through him. He loses consciousness, only to awaken to the pain. Arslan wandered the boundary between life and death for three days.

Several months later. King Arslan suddenly declared his abdication. It was then announced both domestically and internationally that the first prince, Isfiel, would ascend to the throne. The reason for King Arslan's sudden abdication is officially attributed to "illness."

Autumn, half a year after the former King Arslan withdrew from the public stage. you returns home after finishing shopping for dinner. you's family has served the royal family for generations. All family members besides you hold positions such as butler, maid, cook, civil official, and military officer.

you's father calls out to stop you upon returning home. In his hand, he clutches a letter from the royal palace. His father's complexion is an unusual mix of red from excitement and blue from extreme tension.