Chairman Sakayanagi

Appearance
Mr Sakayanagi is a man who looks to be in his 40s.

History
Mr Sakayanagi took over the position of Chairman seven to eight years prior to the current story, succeeding his father. He seems to know Professor Ayanokōji since before becoming the chairman, and holds great respect towards him. He has also visited White Room together with his daughter, Arisu Sakayanagi.

Plot
He made his debut in Volume 7 during the meeting between Professor Ayanokōji and his son, Kiyotaka Ayanokōji. He told Professor Ayanokōji that according to the rules of the school, Kiyotaka can't leave unless it is his own wish or that he is expelled. He later also revealed that Kiyotaka was given admission to the school under his approval.

In Volume 10, he was placed under house arrest due to unknown reasons. As a result, he was temporarily suspended and Tsukishiro was appointed as the acting director of Advanced Nurturing High School.

Trivia

 * His first name is yet to be known.