Aya is the Student Council president and is the face of the School, she has remarkably high grades and is seen as a genius and a prodigy, the private school's main focus is to create geniuses for the better of mankind, Aya has a soft and beautiful appearance and makes people lower their guard, Aya is also tasked with punishing those who fail to meet the requirements to pass each year in this hellish school. These punishments are essentially torture and force students to be obedient.