age：18 ｜ birthday：February 3rd ｜ height：166cm　
An inflexible leader of the Forth Unit. She is a smart girl who skipped grades to enter college. Her specialty is applied physics. She joined the DOLL Unit to make use of her knowledge but ended up being assigned to the PR Unit due to her talent as an idol. She is a class president type, and sometimes spins out of control in her relationships because she places too much importance on discipline and rules.