Saki Sukinasaki

Age:18
Blood Type: AB
Mentality: Abnormal
Affiliation: Kiyoterae. Previously is Suisou Student Council
Position: Previously is General Affairs Manager
Occupation: Idol
Education: Suisou Academy, Class 4
Abnormality: Error Message Plate

Sukinasaki initially appears to be a shy girl, approaching but speaking timidly to Misogi Kumagawa when he first transferred into Suisou Academy. This shy demeanor is soon revealed to be a facade; Sukinasaki is actually highly manipulative, using her ability Error Message Plate to control others. Because of her ability, Sukinasaki considers herself the most important in the academy hierarchy, and prefers to work from behind the scenes by controlling those in power as she orchestrates events to further her own desires.

Despite her malicious personality, Sukinasaki seems only to desire peacefulness and stability wherever she has planted herself, and does not particularly care who is in charge as long as this requirement is met. As an idol, Sukinasaki is considered to have adapted the best to the music industry, recognizing the commerciality of everything involved. When she gets excited, Sukinasaki has a tendency to strip.

(Source: Medaka Box Wiki)