One day, Slaine, a young man who grew up in an ordinary life as a citizen of his country, is suddenly informed that he is the bastard son of King Frederick Hasenvelia.
In addition, after an accident at the royal castle killed all of the royal family, Slaine, the king’s only direct child, was chosen as the next king.
In a situation where he is unsure of his right and left, Slaine gradually becomes more prepared, his talents blossom, and he becomes a「king」.
He then moves forward to protect and enrich his homeland in a complex world situation where a group of small nations and a large nation stand side by side.
