The Demonic Sword Hero of Western Fantasy

The fledgling Kane meets a beautiful aristocratic lady, and what he originally expected to be an amorous encounter turns into a political struggle. Caught in a whirlpool and wandering in a foreign country, he got the chosen king's magic sword by chance? How could I be like this when I just want to be an ordinary adventurer? The world view and plot of this article heavily refer to Ghost King Lance. If you feel déjà vu, it is completely normal. Please read it as a fanfic. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.