The main character, Lute, is a new knight who has just graduated from the elite school “Royal Knight Academy” that trains knights.
He has the lowest grades while in school and has been ridiculed by his synchronization, but he doesn’t care.
Immediately after graduating, the lute with poor grades will be assigned to the poorest land in the country, Boan.
He finds out there that he encounters a mysterious incident with rumors that “the demons have survived and are doing bad things.”