Tsukishiro

Tsukishiro is the acting director of the Advanced Nurturing High School, after Chairman Sakayanagi's temporary suspension.

History
Tsukishiro was sent to the school by Kiyotaka Ayanokōji's father, Professor Ayanokōji, as the acting director in order to get Kiyotaka expelled and return to the White Room.

Trivia

 * His first name has not yet been revealed.