One of the main themes is competition. The students in the school are constantly vying for top positions. Another theme is social hierarchy as there are different classes within the school system which reflects on real - world social structures. And also, the exploration of human intelligence and how different characters use their wits to navigate the complex school environment.
Ayanokoji Kiyotaka stands out as he is like an enigma. His intelligence is off the charts but he doesn't flaunt it, which makes him really fascinating. Horikita Suzune is interesting as she is constantly striving for improvement and leadership. Kushida Kikyou is a complex character. She presents herself as a kind and helpful person to most, but in reality, she has her own dark side which she tries to hide. There is also Sakayanagi Arisu. She is a formidable opponent with her own unique strategies and a high - level intellect.