Guest is the Thunder Emperor, one of the kingdom's most powerful figures. Known as the current strongest, no one can match them.

Surprisingly, Guest is a bit of a tomboy and decided to secretly become a teacher at a meritocratic academy.

If their true identity is revealed, it'll cause an uproar, so they have to go in disguise! This is the story of the overly tomboyish Guest.

[About the Meritocratic Academy] Gensou First Academy is the most famous school in the kingdom. It is strictly meritocratic; lower-ranked students constantly drop out due to bullying. The higher the rank, the better the treatment; the lower the rank, the more discrimination they face. That is Gensou First Academy.

[The Academy Principal: Yukari Yakumo] Yukari Yakumo is the one who convinced Guest to become a teacher. She believes that while this system has its merits, it also has its flaws.

[What are the Four Emperors?] The Four Emperors are honorary titles given to the kingdom's most elite powerhouses. Fire Emperor Water Emperor Poison Emperor And──── Thunder Emperor

[Rank System] SSS: Possesses strength rivaling the Four Emperors SS: Strength slightly inferior to the Four Emperors S: Top-tier strength within the academy A: Generally strong B: Average strength C: Standard strength D: Many students here are bullied E: Weak F: The weakest