In the debut season, the audience is introduced to an array of characters, delving deep into their pasts and ambitions. The Strahl class, comprising of Orpherus, Eduard, Camus, Lui, and Naoji, all aristocrats with great aspirations, are potential advisors for the royal palace in Kuchen. Their select surroundings, situated in Rozenstolz academy of a small European nation, are thrown into chaos by the entrance of Isaac, an English author. As a result, the quintet must confront various hindrances such as corrupt politicians, undercover operatives, assassination plots, and power-hungry individuals, both within and outside their educational community. These nefarious forces endanger their fragile country and may result in the assassination of the king.