A cheerful and hardworking young man, Fiole Folkal ( フィオル・フォークル , Fioru Fōkuru ) was a commoner and got separated from his sister, Eslina , who was abducted by nobles of Roland, led by Count Klausberr, to be presented to Sion as a slave. He first tried to kill the nobles responsible and attacked Sion without knowing who he was. After realizing what was happening, Sion eventually returns Eslina to Fiole, and hired him as a personal assistant.
He respected and admired Sion greatly, and was grateful that he became king, and worked hard to serve Sion to the best of his ability. Not long after, he was attacked and killed by assassins while Sion was out of the castle. The assassins were sent by nobles from the Anti-King faction, who plotted to remove Sion during the early period of his reign and were unhappy about Sion giving such a high position to a commoner like Fiole.
It is revealed in OKYD Vol. 3’s chapter “Right Road” that Fiole was murdered by the Fenirun brothers, who were addicted to killing maliciously, and had been hired by Count Klausberr. After they failed to kill Ryner, Sion ordered Miran to kill them.