Kouzuki Sayoko

A super genius with an IQ of 720.

She moved to the U.S. at the age of 11, completed all of her coursework at MIT in one year, holds 28 PhD's.

She is a technical advisor and Aya's chaperone for all Ayanokouji related companies.

She showed her genius from an early age, her parents are average people. She was traumatized by being treated as a monster for this reason and hates all human beings.

She wants to conquer the world.