Fire to the Dragon! or The Elixir for Dragon Depression

Who doesn't know the dragon Mil-Avantis, the rector of the Royal Academy of Magic? A handsome, wealthy, and the strongest magician.

He is also a sore with an excessive sense of humor and a unique approach to motivating students.

Lady Tiana Rival teaches at the Academy and knows that dragons never part with their gold.

Lady urgently needs to steal from the dragon and not become a visual aid for motivating students. What should she do?