Sousaku Yubiwa

Alias: Sousaku the Artiste, Chairman
Age: 12
Gender: Male
Abilities: Artistic Sense
Occupation: Middle School Student, Head of the Yubiwa Group, Detective

A genius child. He is the successor to the Yubiwa Foundation, which is the management body of the Yubiwa Academy.

(Source: Official Site, translated / NISIOISIN Wiki)